Almost everyone knows this strange feeling. You definitely remember a person, a movie, a city, a plant, or a term. You might even describe it: “Well, it’s that actor who played in…”, “That word seems to start with ‘k’…”, “It still sounds like…”. But the needed name stubbornly does not appear.

It feels like it’s right there. Like it’s standing behind a thin wall. You can almost feel it, but you can’t say it. And then, when you’ve stopped trying, the word suddenly emerges on its own — in the shower, in the store, before sleep, or in the middle of a completely different conversation.

In psychology, this phenomenon is called the “tip-of-the-tongue phenomenon” or in English tip-of-the-tongue phenomenon. It’s not just a trivial everyday occurrence, but one of the most interesting examples of how human memory works. It shows that knowing a word and being able to say it are not always the same thing.

The phenomenon was systematically described first by psychologists Roger Brown and David McNeill in a classic study from 1966. They showed that people in this state often cannot name the needed word, but are able to recall its individual features: the first letter, the number of syllables, similar-sounding or meaning words. In other words, memory is not “empty” — it just cannot fully retrieve the needed form of the word.

We often imagine memory as an archive: words supposedly lie ready in the brain, and you just need to find the right “shelf”. In reality, recalling is more like a complex process of reconstruction than pulling an item out of a cabinet.

When we want to name an object, a person, or a concept, the brain goes through several stages. First, the meaning is activated: we understand what is being referred to. Then, the word that corresponds to this meaning is retrieved. Next, the brain has to reconstruct its sound form — which specific sounds and syllables need to be pronounced. Only after this does the word transform into speech.

The “tip-of-the-tongue” state most often occurs when the meaning has already been activated, but the sound form of the word has not yet been fully retrieved. You know exactly what you want to say, but you can’t reach the linguistic shell.

This is why, in such moments, people often say: “I know this word, but I can’t pronounce it.” This is a very accurate description of the process. The knowledge is there; it’s just that access to it is temporarily disrupted.

The most interesting thing about the “tip-of-the-tongue” phenomenon is that a person is usually not in complete ignorance. They can recall fragments.

For example, the needed name is not recalled, but it seems that it starts with a certain letter. Or it has three syllables. Or it sounds similar to another word. Or it belongs to the same thematic group.

This is exactly what Brown and McNeill noticed in their study. Participants could not name a rare word by definition, but often correctly sensed its initial letter or approximate sound structure. This became important evidence that access to a word can be partial.

Hence the special feeling of “almost recalled.” It is not illusory. The brain really activates part of the information, but it is not enough to fully reproduce the word.

Especially often, proper names end up on the tip of the tongue: names of people, surnames of actors, titles of movies, cities, brands, books, or music bands.

This is not a coincidence. Proper names are more complex for memory than ordinary words.

The word “baker” has meaning: it is associated with bread, ovens, dough, work, the smell of baking. But the surname “Baker” may not provide any additional clues. It simply denotes a specific person. Because of this, the brain finds it easier to remember who someone is than what their name is.

You may remember a face, a profession, a voice, and even the place of acquaintance perfectly, but not recall the name. This does not mean that memory has “broken.” It’s just that proper names have weaker semantic hooks, so they often get stuck at the retrieval stage.

Particularly difficult are surnames, foreign names, rare titles, and words that we do not use often. The less frequently a linguistic unit is used, the weaker the path to it in memory may be.

Sometimes the needed word is not recalled because another word is activated nearby — similar in sound or meaning. It seems to “block the way”.

For example, you are trying to recall the word “parallelepiped,” but “parallel,” “parameter,” or “parapet” stubbornly spins in your head. Or you are looking for the name of a plant, but instead, another similar-sounding word emerges.

Such words are called interlopers — intrusive substitutes that are not correct but close to the needed word. They can both help and hinder. Sometimes a similar option nudges memory in the right direction, and sometimes, on the contrary, blocks access to the target.

This is one of the reasons why excessive tension does not always help. The harder we “press” on memory, the more actively the wrong option may spin.

The “tip-of-the-tongue” phenomenon occurs more often when a person is tired, nervous, overwhelmed, or hurriedly trying to recall something.

Memory is closely linked to attention. When the brain processes a lot of information at once, it becomes harder to quickly find the exact word needed at that moment. That’s why we may forget a simple name during a presentation, interview, or important conversation, even though we would recall it immediately in a calm situation.

Stress adds another effect: a person starts to worry about the very fact of forgetting. Thoughts arise: “How could I forget this?” or “Now everyone will think I’m incompetent.” This takes even more attention and can worsen access to the word.

Therefore, sometimes the best thing to do is to let go of the search for a few seconds. When the tension eases, the needed word often returns on its own.

With age, such episodes can indeed occur more frequently. Many people after 50–60 years notice that names, titles, and rarely used words are sometimes recalled more slowly.

But this does not necessarily mean serious memory deterioration. Research on cognitive aging shows that vocabulary in adults often remains very well and can even grow for a significant part of life. The problem more often arises not with the meaning of the word but with access to its sound form.

In other words, a person does not necessarily “forget” a word. They may perfectly know its meaning but temporarily cannot retrieve its sound form.

At the same time, if difficulties with speech sharply increase, interfere with daily life, or are accompanied by other symptoms — disorientation, changes in behavior, problems with language comprehension, confusion — it is worth consulting a doctor. Isolated cases of “the word is on the tip of the tongue” are normal, but a sudden and noticeable deterioration in speech requires attention.

People who use several languages often notice an even more interesting variant of this phenomenon: a word is not recalled in one language but immediately emerges in another.

For example, a person wants to say something in Ukrainian, but the English or Polish name appears first in their head. Or vice versa — the needed word in a foreign language is not recalled, although its Ukrainian equivalent is available.

This is related to the fact that a multilingual person activates several language systems. They can help each other, but sometimes they compete. If a word in one language is used less frequently, access to it may be weaker, and then the brain retrieves the equivalent from the more active language faster.

Research on the “tip-of-the-tongue” phenomenon in bilinguals shows that such states tell a lot about how the brain organizes the vocabularies of different languages and how the search for the needed word occurs.

One of the strangest moments is that the word often comes after we stop actively trying to recall it.

This can be explained by the fact that the brain continues to process information in the background. When we stop intensely repeating the wrong options, the weak connections have a better chance of activating. The erroneous option no longer blocks the search, and the needed word finally emerges.

Thus, it may come to mind while walking, washing dishes, or before sleep. At this moment, attention is no longer pressing on memory, but the search process seems to still be ongoing.

This is a very familiar feeling: you have long been talking about something else, and suddenly exclaim: “Aha! I remembered!” And the word that was unreachable five minutes ago now seems completely obvious.

It is impossible to fully control this process, but there are several ways that can help.

First of all — do not panic. The very fact that the word is “on the tip of the tongue” often means: it has not disappeared from memory, but is just temporarily unavailable.

You can try to recall the first letter, the number of syllables, a rhyme, a similar word, or the context in which you last used it. Sometimes it helps not the word itself, but an indirect route: recalling the person’s face, the title of the movie, the place, the situation, the book, or the conversation where this word was mentioned.

If this doesn’t work, it’s better to take a break. Trying to “squeeze out” the word sometimes only intensifies the blockage. Switch to another topic, and memory may find the answer on its own.

It’s also useful to use words you don’t want to lose from your active vocabulary more often. Reading, writing, conversations, language learning, sharing information, and active speech support the connections between the meaning of the word and its sound form.

The “tip-of-the-tongue” phenomenon seems like a minor annoyance, but it has allowed scientists to better understand how human memory works. It shows that words are not stored in the brain like books on a shelf.

Every time we speak, the brain reconstructs them anew, going through a complex path from meaning to sound form. Sometimes there is a brief delay on this path.

That’s when we feel the strange but familiar sensation: the word seems to be right there, we almost pronounced it, but it remains just out of reach for a few more seconds.