Life force
Life force noun - (biology) a hypothetical force (not physical or chemical) once thought by Henri Bergson to cause the evolution and development of organisms.
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Synonyms for Life force
Quality and life force are semantically related. In some cases you can use "Quality" instead a noun phrase "Life force".
Quality
Quality noun - Degree of excellence.
Life force and quality are semantically related. Sometimes you can use "Life force" instead a noun "Quality".
Both terms in one sentence
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The machine that transfers life force from one person to another, first featured in the first season episode Quality of Mercy and turning up again in a few later episodes.
Source: Black Box -
The Angel episode "Smile Time" involved a children's TV show being used by evil demonic puppets to suck out the life force of the children watching the show (at one point, the demons get into an argument over whether this constitutes quality edutainment).
Source: Subverted Kids Show
Cite this Source
Quality and Life force. (2016). Retrieved 2026, August 01, from https://thesaurus.plus/related/life_force/quality
Life force & Quality. N.p., 2016. Web. 01 Aug. 2026. <https://thesaurus.plus/related/life_force/quality>.
Quality or Life force. 2016. Accessed August 01, 2026. https://thesaurus.plus/related/life_force/quality.
Google Ngram Viewer shows how "life force" and "quality" have occurred on timeline