Inept

1.

~ (at something doing something) (unsuitable, unfit, absurd, foolish, out of place, inappropriate, awkward, clumsy, inexpert) ដែលល្ងង់, ដែលល្ងីល្ងើ
Example: An inept choice; inept remarks, an inept engineer.

2.

(FIGURATIVE) ដែលឆ្គង, ឈ្លើយ inept student ដែលគ្មានសមត្ថភាព, inept remark ដែលមិនសមរម្យ
Example: I've never heard anyone so inept at making speeches.

1.

Not apt or fit; unfit; unsuitable; improper; unbecoming.

2.

Silly; useless; nonsensical; absurd; foolish.

1.

awkward, clumsy, dumb, foollsh, graceless, inappropriate, ridiculous, unfitting, unsuited

1.

adrolt, appropriate, apt, dompetent, fit, skiliful, suitable