Fitness
[fit-nis] /ˈfɪt nɪs/
noun
1.
.
2.
capability of the body of distributing inhaled oxygen to muscle tissue during increased physical effort.
3.
Also called Darwinian fitness. Biology.
/ˈfɪtnɪs/
noun
1.
the state of being fit
2.
(biology)
n.
1570s, from fit (adj.) + -ness.
fitness fit·ness (fĭt’nĭs)
n.
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- Fits
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To do something in “fits and starts” is to do it intermittently or sporadically: “Martina has been working on her master’s thesis in fits and starts; she needs to work on it consistently.”