An example of expatiate is someone taking twenty minutes to tell you what they had for lunch.
- Archaic to roam or wander freely
- to speak or write in great detail; elaborate or enlarge (on or upon)
Origin of expatiate; from Classical Latin expatiatus, past participle of expatiari, exspatiari, to go out of one's course, wander ; from ex-, out + spatiari, to walk, roam ; from spatium, space
intransitive verbex·pa·ti·at·ed, ex·pa·ti·at·ing, ex·pa·ti·ates
- To speak or write at length: expatiated on the subject until everyone was bored.
- To wander freely.
Origin of expatiateLatin expatiārī, expatiāt- : ex-, ex- + spatiārī, to spread (from spatium, space).
(third-person singular simple present expatiates, present participle expatiating, simple past and past participle expatiated)
- (now rare) To range at large, or without restraint.
- To write or speak at length; to be copious in argument or discussion, to descant.
From the participle stem of Latin expatiari, from ex- + spatiari (“walk about”).