DUMB Synonyms

• insanely irresponsible

• so unreasonable as to invite derision

• having a mental age of three to seven years

• having a mental age of between eight and twelve years

• a word used for misbehaving children

• ludicrous, foolish

• lacking seriousness; given to frivolity

• inspiring scornful pity

• dazed from or as if from repeated blows

• permitting little if any light to pass through because of denseness of matter

• hard to pass through because of dense growth

• having high relative density or specific gravity

• slow to learn or understand; lacking intellectual acuity

• having component parts closely crowded together

• of an angle; between 90 and 180 degrees

• (of a leaf shape) rounded at the apex

• lacking in insight or discernment

• slow to learn or understand; lacking intellectual acuity

• extremely silly or stupid

• (used informally) stupid

• (used informally) stupid

• totally uninformed about what is going on; not having even a clue from which to infer what is occurring

• afflicted with cretinism

• informal or slang terms for mentally irregular

• lacking mental capacity and subtlety

• heavy and dull and stupid

• half asleep

• lacking seriousness; given to frivolity

• devoid of good sense or judgment

• having or revealing stupidity

• having a mental age of three to seven years

• extremely silly or stupid

• not consistent with or using reason

• real but not expressible as the quotient of two integers

• a real number that cannot be expressed as a rational number