Meanings
-
1
noun
a person who suffers from insomnia; a rare term for an insomniac
As a lifelong insomniast, he often reads until dawn.
Thesaurus
Synonyms
1
noun
· a person who suffers from...
insomniacsleepless person
Opposites
sound sleeper
Word family
Forms
insomniasts
Etymology
Formed from insomnia with -ast, a suffix denoting a person associated with a condition or practice. It is a rare historical alternative to the now more usual insomniac.