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Viscous has 77 synonyms. The top synonyms for viscous are thick, heavy, viscid, gluey, tough, tenacious, gumbo, stodgy and 69 more. Another word for viscous is thick. Browse the full list below.
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| Random | DefinitionA common synonym for viscous is thick. Other synonyms include heavy, viscid, gluey, tough.
Viscous has 77 synonyms listed on Thesaurasize.
(adj): having a thick, sticky consistency between solid and liquid; having a high viscosity
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