Noah Webster's Dictionary 1. (a.) Not used; not habituated; unfamiliar; unused; -- which to. 2. (a.) Not usual; uncommon; strange; new.

Multi-Version Concordance Unaccustomed (1 Occurrence) Jeremiah 31:18 I have surely heard Ephraim bemoaning himself thus, You have chastised me, and I was chastised, as a calf unaccustomed to the yoke : turn me, and I shall be turned; for you are Yahweh my God. (WEB KJV ASV WBS)