(a.) Not capable of being imitated, copied, or counterfeited; beyond imitation; surpassingly excellent; matchless; unrivaled; exceptional; unique; as, an inimitable style; inimitable eloquence.

beyond compare beyond comparison easily first facile princeps immortal incomparable invincible matchless nulli secundus peerless second to none sui generis unapproachable unapproached unbeatable unequaled unexampled unexcelled unique unmatchable unmatched unparagoned unparalleled unpeered unrivaled unsurpassable unsurpassed without equal without parallel