Deep and Depthless

Deep

Deep adjective - Extending far downward.
Usage example: the ax made a deep cut into the wood

Depthless is an antonym for deep.

Depthless

Depthless adjective - Lacking significant physical depth.
Usage example: three inches of water may seem rather depthless, but unattended babies have drowned in bathtubs with that amount

Deep is an antonym for depthless in topics: detail, external, not deep.
Cite this Source
Depthless and Deep. (2016). Retrieved 2026, August 02, from https://thesaurus.plus/related/deep/depthless
Deep & Depthless. N.p., 2016. Web. 02 Aug. 2026. <https://thesaurus.plus/related/deep/depthless>.
Depthless or Deep. 2016. Accessed August 02, 2026. https://thesaurus.plus/related/deep/depthless.
Google Ngram Viewer shows how "deep" and "depthless" have occurred on timeline