- Learn English
-
Learn grammar
-
List of words
-
Study your cards
-
Hang On, Man!
-
Audio Books
-
More apps
- Recent searches
-
downhearted
-
actiniopteris
-
activating
-
conductive
-
posset
-
prevalent
-
hz
-
adapid
-
ill-treat
-
action potential
- Hide translation
acid test
acid test /ˈæsɪd tɛst/
noun
-
A rigorous or crucial appraisal
(
acid test
)
a rigorous or crucial appraisal