American Dictionary

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Definition thorough in American English

thorough adjective

adjective
/ˈθʌroʊ/
1

including everything that is possible or necessary

Example

The key to a good interview is thorough preparation.

Example

a thorough and painstaking investigation by the police

Example

She has a thorough understanding of the business.

Synonyms and related words
1.1

someone who is thorough does everything that they should and leaves nothing out

Example

The doctor was very thorough and asked lots of questions.

Synonyms and related words
2

complete: used for emphasizing how bad someone or something is

Example

It's all a thorough nuisance.

Example

The project was a thorough disaster.

Synonyms and related words
Definition thorough in American English