Synonyms of unreasonable in English:


See definition of unreasonable


1‘an unreasonable old woman’

uncooperative, obstructive, unhelpful, disobliging, unaccommodating, troublesome, awkward, contrary, difficult, tiresome, annoying, vexatious
obstinate, obdurate, wilful, headstrong, pig-headed, bull-headed, intractable, intransigent, inflexible, mulish
irrational, illogical, opinionated, biased, prejudiced, intolerant, blinkered

2‘the bill placed unreasonable demands on industry’

unacceptable, preposterous, outrageous, ludicrous, absurd, senseless, nonsensical, irrational, illogical
excessive, immoderate, extreme, disproportionate, undue, inordinate, exorbitant, extortionate, extravagant, intolerable, unconscionable
unnecessary, unjustified, unwarranted, uncalled for
informal over the top, OTT, steep