Table of Contents POS
HYPHEN
WORDNET DICTIONARY
OXFORD DICTIONARY
THESAURUS

WORDNET DICTIONARY

Adjective unforgivable has 1 sense

• unforgivable(s = adj.all) inexcusable - not excusable; Array

OXFORD DICTIONARY

THESAURUS

unforgivable

abominable, arrant, atrocious, bad, base, black, blamable, blameworthy, criminal, damnable, dark, disgraceful, evil, execrable, flagitious, flagrant, foul, heinous, improper, indefensible, inexcusable, inexpiable, infamous, iniquitous, irremissible, knavish, low, monstrous, naughty, nefarious, peccant, rank, reprehensible, reprobate, scandalous, shameful, sinful, unallowable, unconscionable, unjustifiable, unpardonable, unreasonable, unspeakable, unwarrantable, unworthy, vicious, vile, villainous, wicked, wrong

For further exploring for "unforgivable" in Webster Dictionary Online