- Learn English
-
Learn grammar
-
List of words
-
Study your cards
-
Hang On, Man!
-
Audio Books
-
More apps
- Recent searches
-
nous
-
inveterate
-
go forth
-
priam
-
relevant
-
provost
-
radiophone
-
endoscopy
-
porny
-
equestrians
- Hide translation
acid test
acid test /ˈæsɪd tɛst/
noun
-
A rigorous or crucial appraisal
(
acid test
)
a rigorous or crucial appraisal