altruism
B2CEFR level
35/100Rarity: fairly common
NeutralRegister
General noun
Unselfish concern for the welfare of others.
His decision to donate a kidney to a stranger was altruism of a rare kind.
Business noun
Behaviour that benefits others at a cost to oneself, contradicting narrow self-interest.
Experimental economists study altruism by watching how much of a windfall subjects freely give away.
Rarity runs from 0 (a word everyone knows) to 100 (almost never seen outside specialist or literary writing). Level is the word's real difficulty on the CEFR scale, from A1 to C2.
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