Breadcrumb Home > Thesaurus > P Synonyms of psf Find synonyms for: Noun1. Popular Struggle Front, PSFusage: a terrorist group of radical Palestinians who split with al-Fatah in 1967 but now have close relations with al-Fatah; staged terrorist attacks against Israel across the Lebanese borderWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of psf (Dictionary) ✖ Related Content Daily Word Quiz: deracinate Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language