- Learn English
-
Learn grammar
-
List of words
-
Study your cards
-
Hang On, Man!
-
Audio Books
-
More apps
- Recent searches
-
beat
-
colloquial
-
achromatise
-
mend
-
boundary
-
concentrated
-
approachable
-
stimuli
-
mammal family
-
endocrinologist
- Hide translation
acid test
acid test /ˈæsɪd tɛst/
noun
-
A rigorous or crucial appraisal
(
acid test
)
a rigorous or crucial appraisal