expert

A2 Topic:People & Society

US /ˈɛk.spɜɹt/ UK /ˈɛk.spɜːt/ See IPA manual

adj noun verb Freq #2387

Meanings

1

noun
A person with a lot of knowledge or skill in a particular subject.

She is a leading expert on climate change.
2

adj
Having or showing great knowledge or skill.

This problem requires expert knowledge.

Thesaurus

Synonyms

2 adj · having or showing great... practiced

More mavenproficient skillful specialist

Opposites

inexpertnonexpert

Word family

Forms expertlyexperts

Derived forms cyberexpertexpertismexpertizeexpertlyexpertnessexpertocracyexpertocratexpertshipnon-expertsexpertsubexpertunexpert

Common collocations

expert advice Adjective + noun

Etymology

Inherited from Middle English [Term?], derived from Old French [Term?] (“experienced”), derived from Latin expertus, perfect active participle of experior (“to try”).

*per- Proto-Indo-European expertus Latin

View etymology graph ->

Topics

People & Society

# expert

**Type:** Word
**Level:** A2
**Part of speech:** adj, noun, verb
**IPA (US):** ˈɛk.spɜɹt
**IPA (UK):** ˈɛk.spɜːt
**Frequency rank:** 2387

## Meanings
1. A person with a lot of knowledge or skill in a particular subject.
2. Having or showing great knowledge or skill.

## Examples
- She is a leading expert on climate change.
- This problem requires expert knowledge.

## Synonyms
- maven
- proficient
- skillful
- specialist

## Antonyms
- inexpert
- nonexpert

## Derived Forms
- cyberexpert
- expertism
- expertize
- expertly
- expertness
- expertocracy
- expertocrat
- expertship
- non-expert
- sexpert
- subexpert
- unexpert

## Roots and Affixes
- Root: *per-
- Root: expertus

## Etymology
Inherited from Middle English [Term?], derived from Old French [Term?] (“experienced”), derived from Latin expertus, perfect active participle of experior (“to try”).

## AI Etymology
Expert is inherited from Middle English, derived from Old French (“experienced”), derived from Latin expertus, perfect active participle of experior (“to try”). In current use, the main senses are “A person with a lot of knowledge or skill in a particular subject” and “Having or showing great knowledge or skill”.

## Topics
- People & Society

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