- Learn English
-
Learn grammar
-
List of words
-
Study your cards
-
Hang On, Man!
-
Audio Books
-
More apps
- Recent searches
-
unhallow
-
act up
-
hz
-
pogostemon cablin
-
obtrude
-
harm
-
portcullis
-
18-karat gold
-
bbc
-
profiles
- Hide translation
acid test
acid test /ˈæsɪd tɛst/
noun
-
A rigorous or crucial appraisal
(
acid test
)
a rigorous or crucial appraisal