Meaning of AD in English

AD

I. ˈad, ˈaa(ə)d noun

( -s )

Usage: often attributive

Etymology: by shortening

: advertisement 2b

II. noun

( -s )

Etymology: by shortening

: advantage 5

ad in

my ad

III. abbreviation

1. adapted

2. administration

3. adult

Webster's New International English Dictionary.      Новый международный словарь английского языка Webster.