knew one's stuff
knew one's stuff is the simple past of know one's stuff.
Meaning of know one's stuff
Verb
know one's stuff (third-person singular simple present knows one's stuff, present participle knowing one's stuff, simple past knew one's stuff, past participle known one's stuff)
- To be knowledgeable about and competent at a particular subject or task.
- Joe really knows his stuff when it comes to baseball.
Questions about knew one's stuff
- What is knew one's stuff the simple past of?
- Knew one's stuff is the simple past of know one's stuff.
Words near knew one's stuff in the dictionary
Source and license
Adapted from Wiktionary: knew one's stuff (page history and authors); know one's stuff (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.
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Cite this entry: “knew one's stuff.” Word.ws, https://word.ws/knew_one%27s_stuff. Based on Wiktionary, CC BY-SA 4.0.
