acidulous

Definition

Slightly sour; subacid; sourish.

Etymology

Learned borrowing from Latin acidulus (“sourish, acidulous”), diminutive of acidus (“sour, acid”). See acid.

Example Sentences

• "the hard, acidulous, metallic tincture of the spring"
• "He talked with acidulous tolerance of the exalted personages who had sent Ashenden to X."
• "acidulous mineral waters"