- Learn English
-
Learn grammar
-
List of words
-
Study your cards
-
Hang On, Man!
-
Audio Books
-
More apps
- Recent searches
-
walls
-
mil
-
aaron's rod
-
storytelling
-
tinder
-
budget cut
-
hath
-
hardly
-
tailor
-
infraction
- Hide translation
acid test
acid test /ˈæsɪd tɛst/
noun
-
A rigorous or crucial appraisal
(
acid test
)
a rigorous or crucial appraisal