This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

adj. Not appropriate: unsuitable attire.

adj. Not suitable; unfit; inappropriate.

Not suitable, fit, or adapted; incapable of suiting; unfit; incongruous; improper.

adj. not capable of being applied

adj. not meant or adapted for a particular purpose

adj. not conducive to good moral development

adj. not worthy of being chosen (especially as a spouse)

"The next step is also to identify children living with 1 parent but in unsuitable conditions."

irrelevant    unfit    bad    ineligible   

suitable   

untimely   

unsuitably   

disputable    immutable    indisputable    inscrutable    irrefutable    mutable    suitable   

inappropriate    inadequate    unfit    injurious    unsatisfactory    unfitted    objectionable    distasteful    impractical    impracticable