The Only Use
deleterious
in
The Ransom of Red Chief
(Auto-generated)
- It contained inhabitants of as undeleterious and self-satisfied a class of peasantry as ever clustered around a Maypole.†
undeleterious = not harmfulstandard prefix: The prefix "un-" in undeleterious means not and reverses the meaning of deleterious. This is the same pattern you see in words like unhappy, unknown, and unlucky.
Definitions:
-
(1)
(deleterious) harmful -- often in a subtle way
- (2) (meaning too rare to warrant focus)