Dumb



adjective
1.
(unable to speak, temporarily silent, stupid) ដែលមិនចេញស្ដី, សេចក្ដីហាមឃាត់ deaf and dumb ដែលនិយាយមិនកើត
Example: Sadie is so dumb she failed every course in school.
2.
(វេជ្ជសាស្ត្រ) គរមិនអាចនិយាយរួច, គ
1.
brainless, crass, dense, dull foolish, inarticulate, obtuse, senseless, stupid, witless
1.
alert, bright, clever, discerning, intelligent