Adjective
1. having a sharp taste
Lemons are sour.
Test
1 / 5
Plastic is not absorbent, but cotton is.
2 / 5
completely acceptable
3 / 5
The abbey is now a ruin.
4 / 5
She was listening to the English teacher absent-mindedly.
5 / 5
He is ( ) to speak English.
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