Initialism of air force. / Initialism of alternative fact. / Initialism of atrial fibrillation. / Initialism of autofocus. / Initialism of adult female. / Initialism of auditory feedback.

Initialism of antiferromagnetic.

(Internet slang, vulgar) Initialism of as fuck.

(postpositive, vulgar, slang, Internet slang, text messaging) Initialism of as fuck. / (stenoscript) Abbreviation of after.

(US, military) Acronym of Armed Forces Entertainment.

plural of AF

(military, aviation) Initialism of air force station.

A landlocked country between Central and South Asia. Official name: Islamic Emirate of Afghanistan.

That which is affixed; an appendage. / (linguistic morphology) A bound morpheme added to the word’s stem's end.

(transitive) To attach. / (transitive) To subjoin, annex, or add at the close or end; to append to. / (transitive) To fix or fasten figuratively; with on or upon.