Fog and Penumbra

Fog

Fog noun - A state of mental confusion.

Penumbra and fog are semantically related. In some cases you can use "Penumbra" instead a noun "Fog".

Nearby Words: foggy, fogged

Penumbra

Penumbra noun - Partial darkness due to the obstruction of light rays.

Fog and penumbra are semantically related. Sometimes you can use "Fog" instead a noun "Penumbra".
Cite this Source
Penumbra and Fog. (2016). Retrieved 2026, August 02, from https://thesaurus.plus/related/fog/penumbra
Fog & Penumbra. N.p., 2016. Web. 02 Aug. 2026. <https://thesaurus.plus/related/fog/penumbra>.
Penumbra or Fog. 2016. Accessed August 02, 2026. https://thesaurus.plus/related/fog/penumbra.
Google Ngram Viewer shows how "fog" and "penumbra" have occurred on timeline