Causing disapproval or protest:
— A vulgar and objectionable person.

synonym: obnoxious.

Roget 647: inexpedient, undesirable; unadvisable, inadvisable; objectionable; inapt, ineligible, inadmissible, inconvenient; incommodious, discommodious^†; disadvantageous; inappropriate, unfit etc. (inconsonant) 24.    ill-contrived, ill-advised; unsatisfactory; unprofitable &c.; unsubservient etc. (useless) 645; inopportune etc. (unseasonable) 135; out of place, in the wrong place; improper, unseemly.    clumsy, awkward; cumbrous, cumbersome; lumbering, unwieldy, hulky^†; unmanageable etc. (impracticable) 704; impedient etc. (in the way) 706^†.    unnecessary etc. (redundant) 641.    ... show more

Roget 923: wrong, wrongful; bad, too bad; unjust, unfair; inequitable, unequitable^†; unequal, partial, one-sided; injurious, tortious [Law].    objectionable; unreasonable, unallowable, unwarrantable, unjustifiable; improper, unfit; unjustified etc. 925; illegal etc. 964; iniquitous; immoral etc. 945.    in the wrong, in the wrong box.    ... show more

Liable to objection or debate; used of something one might take exception to:
— Found the politician's views objectionable.

synonym: exceptionable.