This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

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n. Physical or moral strength to resist or withstand illness, fatigue, or hardship; endurance.

n. A plural of stamen.

n. The energy and strength for continuing to do something over a long period of time; power of sustained exertion, or resistance to hardship, illness etc.

n. Plural form of stamen.

n. The basic elements of a thing; rudimentary structures or qualities.

noun-plural. See stamen.

noun-plural. The fixed, firm part of a body, which supports it or gives it strength and solidity.

noun-plural. Whatever constitutes the principal strength or support of anything; backbone; vigor.

noun-plural. The power of endurance; the ability to withstand fatigue, disease, deprivation, etc., and continue working.

n. Latin plural of stamen, sometimes used as a singular (see stamen, 3).

n. enduring strength and energy

"Stamina and endurance were his to an extreme degree, and they were the virgin stamina and endurance of Youth."

endurance   

stamen   

legs   

backbone    vigor    strength   

lamina   

endurance    agility    adaptability    versatility    vigor    self-reliance    perseverance    tenacity    foresight    flexibility