unsuitable
adjective
[ ʌnˈsuːtəb(ə)l ]
• not fitting or appropriate.
• "the display is unsuitable for young children"
Similar:
inappropriate,
unsuited,
ill-suited,
inapt,
inapposite,
unfitting,
unbefitting,
undue,
incompatible,
out of place,
out of keeping,
out of character,
incongruous,
unacceptable,
ineligible,
not good enough,
unbecoming,
unseemly,
indecorous,
improper,
inopportune,
infelicitous,
malapropos,
badly chosen,
unseasonable,
