What did the word horrid mean originally?

Means:

-same as horrible

Origin:

1275-1325; Middle English ( h ) orrible < Old French < Latin horribilis, equivalent to horr-(stem of horrēre to stand on end, bristle with fear)+ -ibilis -ible

Synonyms

1. terrible, awful, appalling, frightful; hideous, grim, ghastly, shocking,revolting, repulsive, horrid, horrendous, horrifying, repellent.

Antonyms

1. attractive.