Cockamamy and Mature
Opposite meaning words
Cockamamy
Cockamamy adjective - So foolish or pointless as to be worthy of scornful laughter.
Mature
Mature adjective - Fully grown or developed.
Cite this Source
Mature and Cockamamy. (2016). Retrieved 2026, August 03, from https://thesaurus.plus/related/cockamamy/mature
Cockamamy & Mature. N.p., 2016. Web. 03 Aug. 2026. <https://thesaurus.plus/related/cockamamy/mature>.
Mature or Cockamamy. 2016. Accessed August 03, 2026. https://thesaurus.plus/related/cockamamy/mature.
Google Ngram Viewer shows how "cockamamy" and "mature" have occurred on timeline