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expert

When used as a noun, "expert" usually refers to someone recognized by others for their skill. It is common to use the preposition "in" or "on" after the word (e.g., an expert in law). When used as an adjective, it describes the quality of the action or the person's skill level. For example, "expert advice" means advice given by someone with high knowledge.

💬Casual Conversation

🎬Tuesday afternoon, both sitting in the same open-plan office during a tedious team meeting.

Mark

David's acting like he's some kind of expert on UX now. Total joke.

Sarah

He can't even figure out a PDF. I'm about to lose it.

💡

Mark uses 'expert' sarcastically to mock their boss's perceived knowledge. Sarah responds with the idiom 'lose it', meaning she is reaching her limit of patience/sanity due to stress and frustration.

Meanings

noun

A person who has a comprehensive and authoritative knowledge of or skill in a particular area.

"She is a leading expert in the field of quantum cryptography."

adjective

Having or involving a great deal of knowledge or skill in a particular area.

"The surgeon performed the operation with expert precision."

Last Updated: May 22, 2026•Report an Error