Fast
Fast verb - Abstain from eating.
Lose weight and fast are semantically related In some cases you can use "Lose weight" instead a verb "Fast".
Lose weight
Lose weight verb - Take off weight.
Fast and lose weight are semantically related in abstain from food topic. You can use "Fast" instead a verb phrase "Lose weight".
Mutual synonyms
Both terms in one sentence
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Since eating five thousand calories a day of anything would make anybody fat, comedian and former health writer Tom Naughton began wondering if it was possible to lose weight on a fast food diet.
Source: Film / Fat Head -
Slim-Fast. Lose weight with a shake for breakfast, a shake for lunch, and a sensible dinner.
Cite this Source
Lose weight and Fast. (2016). Retrieved 2026, August 13, from https://thesaurus.plus/related/fast/lose_weight
Fast & Lose weight. N.p., 2016. Web. 13 Aug. 2026. <https://thesaurus.plus/related/fast/lose_weight>.
Lose weight or Fast. 2016. Accessed August 13, 2026. https://thesaurus.plus/related/fast/lose_weight.
Google Ngram Viewer shows how "fast" and "lose weight" have occurred on timeline