WordReference Random House Unabridged Dictionary of American English © 2025
a•gu•ish
(ā′gyo̅o̅ ish),USA pronunciation adj.
a′gu•ish•ly, adv.
- Pathologyproducing, resembling, or resulting from ague.
- Pathologyeasily affected by or subject to fits of ague.
- shaking;
quivering.
- ague + ish1 1610–20