Invertebrate and Tough

Opposite meaning words

Invertebrate adjective - Lacking strength of will or character.

Usage example: an invertebrate Congress that blithely went along with the President's ill-conceived plan

Show all Definitions

Tough is an antonym for invertebrate.

Tough adjective - Not easily chewed.

Show all Definitions

Invertebrate is an antonym for tough.

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

Cite this Source

Tough and Invertebrate. (2016). Retrieved 2026, July 27, from https://thesaurus.plus/related/invertebrate/tough

Invertebrate & Tough. N.p., 2016. Web. 27 Jul. 2026. <https://thesaurus.plus/related/invertebrate/tough>.

Tough or Invertebrate. 2016. Accessed July 27, 2026. https://thesaurus.plus/related/invertebrate/tough.

Google Ngram Viewer shows how "invertebrate" and "tough" have occurred on timeline