One possible prefix for "selfish" is "un-", which would create the word "unselfish," meaning not selfish.
beside unselfish
Unselfish.
caring, kind, unselfish, selfless
Emo. Childish. Spoiled. Selfish.
Yes, "unselfish" does have a suffix. The suffix "-ish" added to the word "self" creates "selfish." Adding the prefix "un-" changes the meaning to the opposite, forming "unselfish."
egotistic, egotistical, narcissistic, self-loving selfish (vs. unselfish)
Regardful of others; beneficent; unselfish; -- opposed to egoistic or selfish.
Shes selfish, rude, and mean.
It is an adjective. Selfishly is an adverb.
The opposite for "selfishness" is simply "unselfishness" or "selflessness" - but "UNSELFISHNESS" is my choice. It is easier for one to be "unselfish" than to be "selfless", which would require one to be a Saint. Whereas "unselfishness" can be a normal (though uncommon) act.
In "Where the Red Fern Grows," Billy is portrayed as unselfish. He works hard to earn money for his dogs, and he selflessly helps his family with chores and hunting. His dedication and love for his dogs demonstrate his selflessness throughout the story.