badly qualified, foolish, ill-adapted, ill-advised, impertinent, improper, inadequate, inadvisable, inapplicable, inapposite, inappropriate, inapt, incapable, incommodus, incompetent, incongruous, inconvenient, indignus, ineligible, inept, inexpedient, inexpert, injudicious, inopportune, inutile, inutilis, irrelevant, maladjusted, malapropros, objectionable, out of keeping, out of place, unable, unadapted, unbecoming, unbefitting, undesirable, undue, unequipped, unfitting, unlikely, unprepared, unpromising, unqualified, unseemly, unsuitable, unsuited, unusable, unwise, unworthy, useless, valueless, wrong
associated concepts: unfit for consumption, unfit for occupancy, unfit parent
amateur, bad (inferior), bad (offensive), detrimental, disabled (deprived of legal right), disabled (made incapable), disqualify, faulty, ill-advised, improper, inadept, inadequate, inadmissible, inapplicable, inapposite, inappropriate, inapt, incapable, incompetent, incongruous, ineligible, inept (inappropriate), injudicious, inopportune, insufficient, powerless, unable, unbecoming, undesirable, undue (excessive), unqualified (not competent), unsatisfactory, unseemly, unsuitable, unworthy
Burton's Legal Thesaurus. William C. Burton. 2006
adj.Not suitable for a particular purpose; not qualified; incompetent.
The Essential Law Dictionary. — Sphinx Publishing, An imprint of Sourcebooks, Inc. Amy Hackney Blackwell. 2008.
adj. In products law, not qualified or unsuitable for a particular use or purpose.
Webster's New World Law Dictionary. Susan Ellis Wild. 2000.