Reverse Dictionary: SELF-INTERESTED

ADJECTIVES
► INWITH self-interested, introspective → 1866 Sc. 
► ONE-WAY narrow-minded; close-minded; obsessive; self-interested → 1953 US sl.

VERBS
► BUTTER ONE’S BREAD ON BOTH SIDES to behave in a self-interested  and duplicitous manner; to simultaneously ally oneself with opposing factions, people, or causes → 1768