off•handPronunciation: (ôf'hand', of'-), [key]
cavalierly, curtly, or brusquely: to reply offhand.
without previous thought or preparation; extempore: to decide offhand to take a trip.
informal, casual, curt, or brusque: an offhand manner.
done or made offhand.
working manually and without the use of molds: offhand blowing.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.