WordUpWordupPerson

Know your stuff

usgbVolume
Left Definition 1 of 1Right
LampPro Tip 1/3

Professional Expertise

Use 'know your stuff' to show high-level knowledge or skill in a job or hobby.

Illustration for Professional Expertise
He's the go-to guy for software issues; he knows his stuff.
LampPro Tip 2/3

Colloquial Use

'Know your stuff' is conversational and might not suit formal writing or speeches.

Illustration for Colloquial Use
In a casual chat about cooking, you might say 'She really knows her stuff.'
LampPro Tip 3/3

Positive Praise

Saying someone 'knows their stuff' is a way to praise or recommend them.

Illustration for Positive Praise
Ask Tom about your car's engine, he knows his stuff.
Visual representation of the word "Know your stuff"

Never forget "Know your stuff"

Humans forget easily. That's why you should download WordUp: Smart reminders, word games, AI practice, and much more!

App Store IconGoogle Play Store IconMicrosoft Store IconHuawei Store Icon
Chrome

WordUp Chrome Extension

As you browse the web instantly look up words you don’t know.

Get Chrome Extension
Back to top