- Learn English
-
Learn grammar
-
List of words
-
Study your cards
-
Hang On, Man!
-
Audio Books
-
More apps
- Recent searches
-
annon
-
aboriginal australian language
-
crohn's disease
-
saxons
-
goa bean
-
interact
-
buffalo bill
-
loop-the-loop
-
ally
-
originally
- Hide translation
acid test
acid test /ˈæsɪd tɛst/
noun
-
A rigorous or crucial appraisal
(
acid test
)
a rigorous or crucial appraisal