- Learn English
-
Learn grammar
-
List of words
-
Study your cards
-
Hang On, Man!
-
Audio Books
-
More apps
- Recent searches
-
outlaw
-
sped
-
accomplished
-
journals
-
stone marten
-
sly
-
concert
-
as usual
-
twin-propeller-plane
-
ignominiously
- Hide translation
acid test
acid test /ˈæsɪd tɛst/
noun
-
A rigorous or crucial appraisal
(
acid test
)
a rigorous or crucial appraisal