- Learn English
-
Learn grammar
-
List of words
-
Study your cards
-
Hang On, Man!
-
Audio Books
-
More apps
- Recent searches
-
faeroe islands
-
dearth
-
cleans
-
japanese
-
hasp
-
bend
-
conductive
-
light source
-
malleable
-
non-metric
- Hide translation
acid test
acid test /ˈæsɪd tɛst/
noun
-
A rigorous or crucial appraisal
(
acid test
)
a rigorous or crucial appraisal