- Learn English
-
Learn grammar
-
List of words
-
Study your cards
-
Hang On, Man!
-
Audio Books
-
More apps
- Recent searches
-
approve
-
apex
-
finance
-
à la carte
-
threshold
-
sepulcher
-
institute
-
miracle
-
herein
-
proportional
- Hide translation
SD
SD /ˈes ˈdiː/
noun
-
A state in north central United States
(
Coyote State
, Mount Rushmore State
, S.D.
, SD
, South Dakota
)
a state in north central United States