Definition of alt- in English:

alt-

Syllabification: alt-
(also alt.)

combining form

Denoting a version of something, especially music, that is intended as a challenge to the traditional version: an alt-classical quartet

Origin

1990s: abbreviation of alternative, influenced by the alt. prefix of some Usenet newsgroups.

Definition of alt- in:

Get more from Oxford Dictionaries

Subscribe to remove ads and access premium resources

Word of the day internecine
Pronunciation: ˌintərˈnesēn
adjective
destructive to both sides in a conflict