- Learn English
-
Learn grammar
-
List of words
-
Study your cards
-
Hang On, Man!
-
Audio Books
-
More apps
- Recent searches
-
asa
-
mini-
-
perceive
-
ed
-
2019-ncov
-
vigorously
-
order anthocerotales
-
radiophone
-
chilly
-
quench
- Hide translation
acid test
acid test /ˈæsɪd tɛst/
noun
-
A rigorous or crucial appraisal
(
acid test
)
a rigorous or crucial appraisal