"thinned" in the verb sense
1. thin
lose thickness become thin or thinner
2. thin
make thin or thinner
"Thin the solution"
3. dilute, thin, thin out, reduce, cut
lessen the strength or flavor of a solution or mixture
"cut bourbon"
4. reduce, melt off, slim, slenderize, thin, slim down
take off weight
"thinned" in the adjective sense
1. cut, thinned, weakened
mixed with water
"sold cut whiskey"
"a cup of thinned soup"
Source: WordNet® (An amazing lexical database of English)
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