Imply vs. infer: what's the difference?

The short answer

Imply and infer describe two opposite ends of the very same exchange. A speaker or writer implies something by hinting at it without stating it directly. A listener or reader infers something by drawing a conclusion from what was said or observed. The two words are often confused because they both relate to meaning that is not spelled out plainly.

• Imply = to hint or suggest, the speaker's action
• Infer = to conclude, the listener's action

What each word means

When you imply something, you suggest it indirectly rather than stating it outright. Her tone implied that she disagreed with the plan, even though she never said so directly. Writers and speakers imply meaning through word choice, tone, or context, leaving the audience to pick up on it.

When you infer something, you reach a conclusion based on evidence or reasoning rather than a direct statement. From her silence, I inferred that she disagreed with the plan. Readers and listeners infer meaning by interpreting clues the speaker has left, whether intentionally or not.

How to tell them apart

A reliable test is to ask who is doing the communicating and who is doing the interpreting. The person sending the message implies; the person receiving it infers. Not: he inferred from his silence that he was upset, when he is the one being silent; the correct version is he implied he was upset by his silence, and I inferred it.

You can also check the grammar of the sentence itself. Sentences about implying often describe how something was communicated, such as through tone, wording, or body language. Sentences about inferring often describe how a conclusion was reached, such as from evidence, context, or observed behavior. Noticing whether the sentence emphasizes communication or interpretation points you to the right word.

Common mistakes to avoid

The most frequent error is using infer when imply is meant, especially in casual speech: are you inferring that I am wrong. That sentence should read are you implying that I am wrong, since the speaker is the one suggesting the idea. Keep track of direction: implying moves outward from a speaker, inferring moves inward toward a listener.

Formal writing is especially unforgiving of this mix-up, since it signals whether the writer understands who holds responsibility for the meaning. A report might state that the data implies a trend, meaning the numbers suggest it, while a reader would say they infer a trend from the data, meaning they drew that conclusion themselves after carefully reviewing the evidence presented.

Remember it

Picture implying as throwing a hint out and inferring as catching that hint and working out what it means. The speaker implies; the audience infers. If you are describing your own conclusion after listening or reading, you want infer, not imply. This one image resolves nearly every mix-up between the two words, even in fast-paced conversation or informal writing.