/ Thesaurus / S Synonyms of sealing Find synonyms for: Noun1. waterproofing, sealing, protectionusage: the act of treating something to make it repel waterVerb1. seal, seal off, close, shutusage: make tight; secure against leakage; "seal the windows"2. seal, close, fill upusage: close with or as if with a seal; "She sealed the letter with hot wax"3. seal, decide, make up one's mind, determineusage: decide irrevocably; "sealing dooms"4. seal, affix, stick onusage: affix a seal to; "seal the letter"5. varnish, seal, coat, surfaceusage: cover with varnish6. seal, hunt, run, hunt down, track downusage: hunt sealsWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: labyrinth Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language