LATIN PREFIX 2 2. AD-(=to, toward, near) adapt 1. (literally, "fit to") adjust; suit; fit 2. make suitable for a different use; modify addicted given over (to a habit); habituated adequate equal to, or sufficient for, a specific need; enough; sufficient adherent one who sticks to a leader, party, etc,; follower; faithful supporter adjacent lying near; neighboring; bordering adjoin be next to; b..