- Learn English
-
Learn grammar
-
List of words
-
Study your cards
-
Hang On, Man!
-
Audio Books
-
More apps
- Recent searches
-
waterskin
-
arthur sullivan
-
weston
-
dwindling
-
humane
-
bellows
-
scam
-
cake
-
fluke
-
map collection
- Hide translation
acid test
acid test /ˈæsɪd tɛst/
noun
-
A rigorous or crucial appraisal
(
acid test
)
a rigorous or crucial appraisal