unreasonal
/(ˌ)ʌnˈriːz(ə)n(ə)l/ /(ˌ)ʌnˈriːz(ə)n(ə)l/Now rare (chiefly US in later use)
adjective
Not reasonable.
Origin
Mid 17th century; earliest use found in Marchamont Nedham (bap. 1620, d. 1678), journalist and pamphleteer. From un- + reasonal.
- be on at someone
- be one's brother's keeper
- be oneself
- be one's life
- be one's own boss
- be one's (own) lookout
- be one's own man (or woman)
- be one's own master
- be one's own person
- be one's own woman
- be one's own worst enemy
- be on firm ground
- be on nodding terms
- be on one's best behaviour
- be on one's mettle
- be on one's way
- be on (or on to) a loser
- be on someone's (own) head
- be on the lookout (or keep a lookout) for
- be on the offensive
- be on the rag
- be on the take
- be on the watch
- be on the wrong tram
- be on to a good thing