Also means
beta (Greek letter)
Usage Note
Bêta as an informal noun or adjective means a slow-witted or naive person; the feminine form is bêtasse. The unaccented beta refers to the Greek letter or a software beta release. In French, saying someone is un peu bêta is mildly teasing rather than harshly insulting.
Examples
"Ne fais pas le bêta, réfléchis un peu !"
Natural Translation
Don't play the fool, think a little!
Related Words
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