- Learn English
-
Learn grammar
-
List of words
-
Study your cards
-
Hang On, Man!
-
Audio Books
-
More apps
- Recent searches
-
lowliness
-
morph
-
bell
-
curtain
-
step
-
refined sugar
-
go down on
-
selfless
-
stalemate
-
vacillating
- Hide translation
acid test
acid test /ˈæsɪd tɛst/
noun
-
A rigorous or crucial appraisal
(
acid test
)
a rigorous or crucial appraisal