SOUR
- to make sharp or bitter to the taste [v -ED, -ING, -S] / sharp or biting to the taste [adj SOURER, SOUREST]
- acid in taste; tart
- spoiled
- disagreeable
- sharp or biting to the taste [adj SOURER, SOUREST] / to make or become sour [v SOURED, SOURING, SOURS]
- to make or become sour