| acrididae | (n) short-horned grasshoppers; true locusts, Syn. Locustidae, family Locustidae, family Acrididae |
| acridity | (n) having an acrid smell |
| acridity | (n) extreme bitterness, Syn. acridness, Example: the acridity of alkali |
| acridity | (n) the quality of being sharply disagreeable in language or tone, Syn. acridness |