- Learn English
-
Learn grammar
-
List of words
-
Study your cards
-
Hang On, Man!
-
Audio Books
-
More apps
- Recent searches
-
boarding
-
adirondacks
-
concurrent execution
-
commanding
-
tormented
-
magnate
-
gaiters
-
ef
-
very
-
abattoir
- Hide translation
acid test
acid test /ˈæsɪd tɛst/
noun
-
A rigorous or crucial appraisal
(
acid test
)
a rigorous or crucial appraisal