sure of oneself
idiom
1
: confident in one's abilities
He was never very sure of himself as a comedian.
2
somewhat disapproving
: overly confident or arrogant
They seem awfully sure of themselves.
Cite this Entry
“Sure of oneself.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/sure%20of%20oneself. Accessed 29 Nov. 2025.
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