- Learn English
-
Learn grammar
-
List of words
-
Study your cards
-
Hang On, Man!
-
Audio Books
-
More apps
- Recent searches
-
froth at the mouth
-
aggravatingly
-
beset
-
165th
-
occurrence
-
absurdist humour
-
waves
-
hummingbird
-
effervescence
-
standard
- Hide translation
acid test
acid test /ˈæsɪd tɛst/
noun
-
A rigorous or crucial appraisal
(
acid test
)
a rigorous or crucial appraisal