On the Tip of One’s Tongue

Meaning

If a word, name, or fact is on the tip of your tongue, you are sure you know it and feel ready to say it, yet you cannot quite bring it to mind. It is that frustrating moment when the answer feels so close that you can almost taste it, but it stubbornly refuses to surface.

The idiom captures a very familiar everyday experience — trying to recall the name of an actor, a place, or an old friend, and sensing that the memory is right there, just out of reach. Usually the word comes back a moment later, which is why people often add “it’ll come to me.”

It is almost always used with the verb “be” and the structure “on the tip of my / your / his / her tongue.” The possessive changes depending on who is speaking or being described.

Origin

The idiom comes from the physical sensation it describes. When you are about to speak, the word seems to gather at the front of your mouth, ready to be pronounced — almost literally at the tip of your tongue. When the word will not come, it feels as though it is sitting right there but cannot be released into speech.

This image of a word poised at the very edge of articulation, nearly spoken but not quite reachable, gives the idiom its meaning. The expression has existed in English for centuries and has equivalents in many other languages, reflecting how universal the experience is. Learners who want to check other figurative expressions can consult general reference works such as the Cambridge Dictionary, which document how such idioms are used today.

Interestingly, psychologists even study this experience under the name the “tip-of-the-tongue” state, showing how closely the everyday phrase matches a real feature of memory.

Example Sentences

Dialogue Example

Usage Notes

This idiom is informal and common in everyday conversation in both British and American English. It is used with the verb “be” and a possessive: “on the tip of my tongue,” “on the tip of her tongue,” and so on. It usually refers to a single word, name, or fact rather than a long idea.

Common Mistakes

Learners sometimes say “in the tip of my tongue” or “at the top of my tongue.” The correct form uses on and tip: on the tip of my tongue. Also remember to change the possessive to match the person — “his,” “her,” “their,” and so on.

Related Idioms

Want to understand the grammar behind this? Explore our Grammar guides.

Quick Check: On the Tip of One’s Tongue

1 question — test what you just learned.

1. What does “On the Tip of One’s Tongue” mean?

Describes an experience, skill, or achievement that you have already gained or completed, and can therefore…Describing a word or name you can almost but not quite remember.The same bad or unpleasant treatment that you have given to others, now experienced by you yourself.

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Frequently Asked Questions

What does "on the tip of one’s tongue" mean?

It describes a word, name, or fact that you can almost but not quite remember. You feel ready to say it, yet it will not come to mind.

How do you use "on the tip of one’s tongue" in a sentence?

You can say "Her name is on the tip of my tongue" or "It was on the tip of my tongue, but I couldn’t say it." It is used with the verb "be" and a possessive.

Where does "on the tip of one’s tongue" come from?

It comes from the physical sensation of a word being nearly ready to speak, as if it is sitting at the front of the mouth but cannot quite be released into speech.

Is "on the tip of one’s tongue" formal or informal?

It is informal and very common in everyday conversation. You would not usually use it in formal writing.

Does the possessive change in this idiom?

Yes. You change "one’s" to match the person, such as "my," "your," "his," "her," or "their" tongue, depending on who you are talking about.

What is a similar idiom to "on the tip of one’s tongue"?

"Draw a blank" means you cannot remember at all, while "ring a bell" means something sounds vaguely familiar. Both relate to memory.

Is the correct preposition "on" or "in"?

It is "on": on the tip of my tongue. Saying "in the tip of my tongue" or "at the top of my tongue" is incorrect.

Is this idiom used in American English?

Yes. It is common in both British and American English and is widely understood by speakers everywhere.

Is there a scientific name for this feeling?

Yes. Psychologists call it the "tip-of-the-tongue" state, which describes the experience of knowing a word but being temporarily unable to recall it.

What English level is "on the tip of one’s tongue" suitable for?

It is suitable for B1 (Intermediate) learners. The idiom is figurative and uses a possessive structure, but the experience it describes is easy to relate to.