PRECA'RIOUS, adjective [Latin precarius, from precor, to pray or entreat; primarily, depending on request, or on the will of another. 1. Depending on the will or pleasure of another; held by courtesy liable to be changed or lost at the pleasure of another. A privilege depending on another's will is precarious or held by a precarious tenure. 2. Uncertain; held by a doubtful tenure; depending on unknown or unforeseen causes or events. Temporal prosperity is precarious; personal advantages, health, strength and beauty are all precarious depending on a thousand accidents. We say also, the weather is precarious; a phrase in which we depart not more from the primary sense of the word, than we do in a large part of all the words in the language.
Source: Webster's 1828 American Dictionary ↗ · public-domain · returned verbatim, no AI