1 (wiktionary) 2 (de.wikipedia) 3 (en.wikipedia) 4 (glosbe)

Verbs Nouns Adjectives/Adverbs Pronouns Prepositions Conjunctions
unreasonable (Advanced search)

unreasonable {adj} (not reasonable) unreasonableness {n} (state of being unreasonable) unreasonableness {n} (unreasonable act)