Invertebrate and Principled

Invertebrate

Invertebrate adjective - Lacking strength of will or character.
Usage example: an invertebrate Congress that blithely went along with the President's ill-conceived plan

Principled is an antonym for invertebrate.

Principled

Principled adjective - Following the accepted rules of moral conduct.

Invertebrate is an antonym for principled.

Nearby Words: principle, principally
Cite this Source
Principled and Invertebrate. (2016). Retrieved 2026, July 27, from https://thesaurus.plus/related/invertebrate/principled
Invertebrate & Principled. N.p., 2016. Web. 27 Jul. 2026. <https://thesaurus.plus/related/invertebrate/principled>.
Principled or Invertebrate. 2016. Accessed July 27, 2026. https://thesaurus.plus/related/invertebrate/principled.
Google Ngram Viewer shows how "invertebrate" and "principled" have occurred on timeline