Low-key: meaning, examples and when to use it

Short answer: “Low-key” means a little, or without making it obvious. People say it before a feeling or an action: “I'm low-key tired.”

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What does “Low-key” mean in English?

Use “low-key” when a feeling is small or private. “I'm low-key excited” means you are a little excited, and you may not show it. It is the opposite of “high-key”.

Examples of “Low-key”

I'm low-key hungry.
A small feeling.
She is low-key excited about the trip.
She does not show it much.
I low-key love this song.
You like it but do not say it loudly.

When do you use “Low-key”?

To say that a feeling is small or quiet.
In casual chat and online.
Before an adjective or a verb.

Is “Low-key” safe to use?

“Low-key” is very informal slang. It is for friends and online chat, not for school, work or formal writing. It is not one of the six words with a warning label, but slang changes fast. In formal writing, say “a little” or “somewhat”.

Common mistakes with “Low-key”

“Low-key” also has older meanings, such as a quiet event. The slang meaning is “a little”.
Do not use it in formal writing.
Do not mix it with “high-key”, which means very much.

Similar expressions

The opposite is “high-key”. See slang about attitude and plans.

Questions

What does “Low-key” mean in English?

“Low-key” means a little, or without making it obvious. People say it before a feeling or an action: “I'm low-key tired.”

Is “Low-key” safe to use?

What is the opposite of “low-key”?

“High-key” means very much, or without hiding it.

Does “low-key” mean quiet?

As an older word it can. In slang it also means “a little”.

Part of the English slang guide and of slang about attitude and plans, in the 🗣️ Teen Talk tool.

Written for English learners by the English for Fun team. How we write our lessons · Last updated 2026-11-05.