Antonyms of adj unequal

2 senses of unequal

Sense 1
unequal (vs. equal) -- (poorly balanced or matched in quantity or value or measure)

equal (vs. unequal) -- (having the same quantity, value, or measure as another; "on equal terms"; "all men are equal before the law")
        => equivalent, tantamount (predicate) -- (being essentially equal to something; "it was as good as gold"; "a wish that was equivalent to a command"; "his statement was tantamount to an admission of guilt")
        => close, tight -- ((of a contest or contestants) evenly matched; "a close contest"; "a close election"; "a tight game")
        => coequal -- (having the same standing before the law)
        => coordinate -- (of equal importance, rank, or degree)
        => equidistant -- (the same distance apart at every point)
        => equilateral -- (having all sides or faces equal)
        => even, fifty-fifty -- (equal in degree or extent or amount; or equally matched or balanced; "even amounts of butter and sugar"; "on even terms"; "it was a fifty-fifty (or even) split"; "had a fifty-fifty (or even) chance"; "an even fight")
        => half-and-half -- (in equal parts; "a half-and-half mixture")
        => isochronal, isochronous -- (equal in duration or interval; "the oscillations were isochronal")
        => isoclinal, isoclinic -- (having equal magnetic inclinations)
        => isometric, isometrical -- (having equal dimensions or measurements)
        => isothermal -- (of a process or change taking place at constant temperature)
        => quits -- (on equal terms by payment or requital; "we're now quits"; "finally quits with the loan")
        => tied (predicate), even, level (predicate) -- (of the score in a contest; "the score is tied")

Sense 2
inadequate (vs. adequate), unequal -- (lacking the requisite qualities or resources to meet a task; "inadequate training"; "the staff was inadequate"; "she was unequal to the task")


Similarity of adj unequal

2 senses of unequal

Sense 1
unequal (vs. equal) -- (poorly balanced or matched in quantity or value or measure)
       => anisometric, unsymmetrical -- (having unsymmetrical parts or unequal dimensions or measurements)
       => mismatched, uneven -- ((of a contest or contestants) not fairly matched as opponents; "vaudeville...waged an uneven battle against the church")
       => nonequivalent -- (not equal or interchangeable in value, quantity, or significance)
       => odds-on -- (having a better than even chance of success; "the odds-on favorite")
       => unbalanced -- (debits and credits are not equal)
       => unequalized, unequalised -- (not caused to be equal)
          Also See-> incommensurate#1

Sense 2
inadequate (vs. adequate), unequal -- (lacking the requisite qualities or resources to meet a task; "inadequate training"; "the staff was inadequate"; "she was unequal to the task")
       => deficient, lacking (predicate), wanting (predicate) -- (inadequate in amount or degree; "a deficient education"; "deficient in common sense"; "lacking in stamina"; "tested and found wanting")
       => incapable, incompetent, unequal to (predicate) -- (not meeting requirements; "unequal to the demands put upon him")
       => short-handed, short-staffed, undermanned, understaffed -- (inadequate in number of workers or assistants etc.; "they're rather short-handed at the moment"; "overcrowded and understaffed hospitals")
          Also See-> unsatisfactory#1