| a printed punctuation mark (‽), available only in some typefaces, designed to combine the question mark (?) and the exclamation point (!), indicating a mixture of query and interjection, as after a rhetorical question. |
| an extraordinary or unusual thing, person, or event; an exceptional example or instance. |
| ADD | |
| —abbreviation for | |
| attention deficit disorder | |
ADD abbr.
attention deficit disorder
| ADD
Abbreviation of attention deficit disorder |
ADD
|
add up to
Amount to, signify, as in The smooth airline connections, luxury hotel, and fine weather added up to the best vacation we'd ever had. [Early 1900s] Also see add up.