Tough and Viscous

Tough

Tough adjective - Not easily chewed.

Viscous and tough are semantically related in adhesive topic. In some cases you can use "Viscous" instead an adjective "Tough".

Nearby Words: toughness, toughen, toughening, tougher, toughed

Viscous

Viscous adjective - Being of a consistency that resists flow.

Tough and viscous are semantically related in adhesive topic. Sometimes you can use "Tough" instead an adjective "Viscous", if it concerns topics such as sticky.

Nearby Words: viscid, viscosity, viscously
Cite this Source
Viscous and Tough. (2016). Retrieved 2026, July 28, from https://thesaurus.plus/related/tough/viscous
Tough & Viscous. N.p., 2016. Web. 28 Jul. 2026. <https://thesaurus.plus/related/tough/viscous>.
Viscous or Tough. 2016. Accessed July 28, 2026. https://thesaurus.plus/related/tough/viscous.
Google Ngram Viewer shows how "tough" and "viscous" have occurred on timeline