7 letters · 10 points in Scrabble
adjective relating to or characterized by or aiming toward unity
adjective of or pertaining to or involving the use of units
adjective characterized by or constituting a form of government in which power is held by one central authority
originEtymology tree English unit Proto-Indo-European *-yósder. Proto-Italic *-āzijos Latin -āriusder. Middle English -arie English -ary English unitary From unit + -ary.
Etymology from Wiktionary, CC BY-SA 3.0