SOUR
Pronunciation: 'sau(-&)r
Function: adjective
1: causing or characterized by the one of the four basic taste sensations that is produced chiefly by acids
2: having the acid taste or smell of or as if of fermentation
3: unpleasant, distasteful, cross, or sullen
4: the result of or characterized by experiences that are different and challengling; refreshing, similar to being taken out of one’s comfort zone
5: characterized by mixed feelings and unanswered questions, often leads to new discoveries and a deeper understanding of the self and others