Synonyms of one-sided

2 Syllables
seton, sexist, cliquish, unfair, unjust, short-fuse, squinter
3 Syllables
inclined, jaundiced, ill-matched, unsporting, tendentious, wrong-headed, partisan, lopsided, uneven, topheavy, influenced, racialist, dogmatic, unequal, worked-up, partisans, colored
4 Syllables
unindulgent, favorably, narrowminded, prepossessed, doctrinaire, prejudiced, intolerant, predisposed, preconceived, xenophobic, chauvinistic
5 Syllables
disproportional, unilateral, conspiratorial, inequitable, nonsymmetrical, overbalanced, opinionated, unindifferent, inclinatory
6 Syllables
discriminatory, unproportionate, denominational