- Expatiate is defined as to give extensive details when speaking or writing.
An example of expatiate is someone taking twenty minutes to tell you what they had for lunch.
intransitive verbexpatiated, expatiating
- 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”).