WordReference Random House Unabridged Dictionary of American English © 2026
fed•er•a•tive
(fed′ə rā′tiv, -ər ə tiv),USA pronunciation adj.
fed•er•a•tive•ly
(fed′ə rā′tiv lē, -ər ə tiv-),USA pronunciation adv.
- pertaining to or of the nature of a federation.
- inclined to federate.
- 1680–90; federate + -ive
'federative' also found in these entries (note: many are not synonyms or translations):