笨 /bèn/ meaning in English

clumsy [clumsier, clumsiest]▼(awkward, lacking coordination, not graceful, not dextrous)
adjective
[UK: ˈklʌm.zi] [US: ˈklʌm.zi]

dumb [dumber, dumbest]▼(extremely stupid)
adjective
[UK: dʌm] [US: ˈdəm]

foolish▼(lacking good sense or judgement; unwise)
adjective
[UK: ˈfuː.lɪʃ] [US: ˈfuː.ˌlɪʃ]

silly [sillier, silliest]▼(foolish, showing a lack of good sense and wisdom)
adjective
[UK: ˈsɪ.li] [US: ˈsɪ.li]

stupid [stupider, stupidest]▼(lacking in intelligence)
adjective
[UK: ˈstjuː.pɪd] [US: ˈstuː.pəd]