Drowsy and Knackered

Drowsy

Drowsy adjective - Desiring or needing sleep.

Knackered and drowsy are semantically related. (British) In some cases you can use "Knackered" instead an adjective "Drowsy". informal substitute

Knackered

Knackered adjective - Depleted in strength, energy, or freshness.
Usage example: I'm absolutely knackered, so no pub-crawling for me tonight

Drowsy and knackered are semantically related. Sometimes you can use "Drowsy" instead an adjective "Knackered".
Cite this Source
Knackered and Drowsy. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/drowsy/knackered
Drowsy & Knackered. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/drowsy/knackered>.
Knackered or Drowsy. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/drowsy/knackered.
Google Ngram Viewer shows how "drowsy" and "knackered" have occurred on timeline