"unsuitable" in the adjective sense
1. unsuitable
not meant or adapted for a particular purpose
"a solvent unsuitable for use on wood surfaces"
2. inapplicable, unsuitable
not capable of being applied
"rules inapplicable to day students"
3. unsuitable
not conducive to good moral development
"the movie is unsuitable for children"
4. undesirable, unsuitable
not worthy of being chosen (especially as a spouse)
Source: WordNet® (An amazing lexical database of English)
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