1. [ verb ] become wider
Synonyms: distend

"His pupils were dilated"

Related terms: widen distention dilator dilator dilatation dilater dilation
2. [ verb ] add details, as to an account or idea; clarify the meaning of and discourse in a learned way, usually in writing
Synonyms: elaborate expound enlarge exposit expand flesh_out lucubrate expatiate

"She elaborated on the main ideas in her dissertation"

Related terms: abridge clarify exemplify set_forth specify detail amplification exposition expansion expatiation dilation expansion lucubration
Similar spelling:   dilute