/ ˈhɒrɪd; NAmE ˈhɔːr-; ˈhɑːr-/ adjective
( old-fashioned or informal , especially BrE ) very unpleasant or unkind
SYN horrible :
a horrid child
a horrid smell
Don't be so horrid to your brother.
••
WORD ORIGIN
late 16th cent. (in the sense rough, bristling ): from Latin horridus , from horrere tremble, shudder, (of hair) stand on end.