I.
a.
1.
Stupid, stolid, doltish, blockish, brutish, unintelligent, blunt-witted.
2.
Apathetic, insensible, unimpassioned, passionless, dead, callous.
3.
Inert, inactive, lifeless, inanimate, heavy, sluggish, slow, torpid.
4.
Blunt, obtuse, dulled.
5.
Gloomy, sad, dismal, cheerless.
6.
Dim, obscure.
7.
Tedious, wearisome, tiresome, uninteresting, dreary, dry, jejune.
II.
v. a.
1.
Blunt, make blunt.
2.
Stupefy, benumb, deaden, paralyze, obtund, hebetate, make or render insensible, render callous, make obtuse.
3.
Depress, dishearten, discourage, dispirit, deject, make melancholy, make sad, gloomy, or dejected.
4.
Quiet, allay, moderate, assuage, mitigate, alleviate, soften.
5.
Sully, tarnish, dim.