Buttoned-up and Poisonous

Opposite meaning words

Buttoned-up adjective - Having or showing a lack of friendliness or interest in others.

Show all Definitions

Poisonous is an antonym for buttoned-up.

Poisonous adjective - Containing or contaminated with a substance capable of injuring or killing a living thing.

Show all Definitions

Buttoned-up is an antonym for poisonous.

Nearby Words: poison, poisoned, poisoning, poisoner

Cite this Source

Poisonous and Buttoned-up. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/buttoned-up/poisonous

Buttoned-up & Poisonous. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/buttoned-up/poisonous>.

Poisonous or Buttoned-up. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/buttoned-up/poisonous.