(citations) sine loco (without place [of publication]) / (medicine) Initialism of sublingual. / (in gay personal ads) Initialism of straight-looking.

(linguistics) Initialism of source language. / (on Muslim forums) Initialism of sharia law. / (law) (historical, used postnominally) Initialism of serjeant-at-law. / (knitting) slip

(politics) Initialism of Sendero Luminoso. / (politics) Abbreviation of Scotland. / Initialism of Swan Lake. / (Internet) Initialism of Second Life.

(space science, transport) Initialism of Space Launch System. / (space science, transport) Initialism of Space Launcher System.

(computing) Initialism of second-level support. / Initialism of sodium lauryl sulphate.

Abbreviation of Slavic.

plural of SL

Censored spelling of slut.

plural of sl*t

(software, languages) Initialism of VDM Specification Language.