dull

How to sign: slow to learn or understand; lacking intellectual acuity
"so dense he never understands anything I say to him"; "never met anyone quite so dim"; "although dull at classical learning, at mathematics he was uncommonly quick"- Thackeray; "dumb officials mak;

Similiar / Same: dumb, slow, obtuse, dense, dim

dull

How to sign: so lacking in interest as to cause mental weariness
"a boring evening with uninteresting people"; "the deadening effect of some routine tasks"; "a dull play"; "his competent but dull performance"; "a ho-hum speaker who couldn't capture their attention";

Similiar / Same: boring, deadening, ho-hum, irksome, tedious, tiresome, wearisome, slow

dull

How to sign: deaden (a sound or noise), especially by wrapping

Similiar / Same: mute, damp, tone down, muffle, dampen

Categories: soften

dull

How to sign: make numb or insensitive
"The shock numbed her senses";

Similiar / Same: numb, benumb, blunt

Categories: desensitise, desensitize

dull

How to sign: darkened with overcast
"a dark day"; "a dull sky"; "a gray rainy afternoon"; "gray clouds"; "the sky was leaden and thick";

Similiar / Same: leaden, gray, grey