What does "selflessness" mean?

The quality or state of being selfless.

Selflessness

Common synonyms include: altruism, altruism, altruism in action, benevolence, commitment, consecration.

noun

noun ·3 syllables ·Uncommon ·Advanced level

Noun

1
The quality or state of being selfless. uncountable, usually
"But the truth is that I came to cherish Japan’s civility and selflessness."
2
acting with less concern for yourself than for the success of the joint activity wordnet
3
the quality of unselfish concern for the welfare of others wordnet

"In the old days people valued selflessness. But this generation seems to make a virtue out of selfishness."

From selfless + -ness.