dilate
9 synonyms and 4 antonyms for dilate, grouped by meaning and by how common each one is.
Verb — To become or make wider, larger, or more open.
Synonyms
Everyday swaps
Common words most readers know — safe in any writing.
Less common
Still standard English, but they carry more weight.
Rare, literary or technical
Precise, but they will stand out — check the sense before using one.
Synonyms by Meaning
1. verb
To become or make wider, larger, or more open.
“Her pupils dilated in the dark room.”
Opposites
2. verb
(formal) To speak or write about something at length.
“He dilated on the subject for nearly an hour.”
Opposites
How to use dilate
The word patterns that sound natural to a native speaker.
Etymology
From Latin dilatare, "to spread out," from dis- plus latus, "wide."
Full origin of dilate →