sour
Sour (adjective) means having a sharp, acidic taste, like lemon or vinegar. Example: “These green apples are far too sour to eat raw.”
How to use sour
Learner’s notesIn plain EnglishA sharp, acidic taste — or, figuratively, a bad mood or a relationship that has curdled.
"Sour grapes" means pretending not to want something you can't have, not literally sour fruit.
Word forms
- Plural
- sours
- Third person singular
- sours
- Past tense
- soured
- Comparative
- sourer
- Superlative
- sourest
- Archaic forms
- sourest, souredst, soureth
Fill the gap
Can you complete this real example?
These green apples are far too _____ to eat raw.
Etymology
From Old English sur, from Proto-Germanic *suraz — the same ancient root that gives German sauer and Dutch zuur.