sour
adj.VERBS
be, taste
The sauce tasted very sour.ADV.
extremely, very | a bit, quite, rather, slightly
VERBS
be, smell, taste
The milk smelled sour.| go, turn
By the next day the wine had turned sour.ADV.
very | a bit, rather, slightly
VERBS
be | go, grow, turn | a bit, a little, rather, slightly, somewhat
Their friendship has turned a little sour.ADV.
extremely, really, very