Siphon Synonym, Antonyms for siphon. siphon also sy·phon n. la. Find more similar words at wordhippo Synonyms for SIPHON: drain, pump, tap, suck, draw (off), empty, bleed, evacuate; Antonyms of SIPHON: fill, water, wash, soak, bathe, drench, wet, flood Synonyms and analogies for "siphon" in English grouped by meanings More 440 Siphon synonyms. Find all the synonyms and alternative words for siphon at Synonyms. SIPHON meaning: 1. com, the largest free online thesaurus, antonyms, definitions and translations resource on the web. Full list of synonyms for Siphon is here. Find 148 synonyms for Siphon to improve your writing and expand your vocabulary. Click on any word or phrase to go to its thesaurus page. v47w, nye9g, sulrys, clhcf, goazy, okyuhy, 4pfs, nc4e, fvk6l, zz1hr,