American Dictionary

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Definition slack in American English

slack adjective

adjective
/slæk/
1

loose and not pulled tight

Example

The fence consisted of two slack strands of barbed wire.

Example

The rope suddenly went slack.

Example

Her muscles felt slack.

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2

not taking enough care to make sure that something is done well

Example

slack safety standards

Example

She'd been brought in to clean up slack working habits among the employees.

Synonyms and related words
3

not as busy or successful as usual in business

Example

Business is usually slack in the winter.

Example

Demand for the product is slack.

Synonyms and related words
Definition slack in American English