selfishsomeone who only thinks of themselves

pejorative core

egotistical (formal)· egotistic (formal)· egoistic (formal)· self-centered (US)· self-centred (UK)· self-absorbed (intensified)· self-serving (exploitative)

mild or colloquial

self-seeking (mild)· self-interested (mild)· me-first (informal)· looking out for number one (idiom)· on an ego trip (slang)· stuck on oneself (informal)

greedy nuance

grasping (greedy)· mercenary (mercenary)· rapacious (literary)· covetous (literary)· acquisitive (formal)

narcissistic nuance

narcissistic (clinical)· solipsistic (philosophical)· conceited (vanity)· self-important (pompous)· vainglorious (literary)

uncaring nuance

inconsiderate (uncaring)· thoughtless (uncaring)· tactless (blunt)· heedless (literary)

noun forms

selfishness (quality)· egoism (doctrine)· egotism (conceit)· self-interest (motive)· narcissism (clinical)· self-centeredness (US)· self-centredness (UK)· meanness (petty)

person

egoist (neutral)· egotist (boastful)· narcissist (clinical)· sponge (exploitative)· freeloader (informal)· taker (informal)

antonym side

selfless (opposite)· altruistic (opposite)· generous (opposite)· self-sacrificing (opposite)· unselfish (opposite)

self-centered· self-absorbed· egocentric· egoistic· self-serving· self-seeking· self-interested

inconsiderate· greedy· grasping· rapacious· predatory· ruthless (extreme)

selfishness· greed· avarice· stinginess (money)· hoarding· hogging· freeloading· mooching· taking advantage

narcissistic· solipsistic· entitled· inconsiderate· thoughtless· me-first· self-obsessed

mine· me· myself· I want· my turn· what about me· all about me

hogging· grabbing· not sharing· cutting in line· taking the last· pulling rank

dog in the manger· looking out for number one· every man for himself· what's in it for me

altruistic· selfless· generous· giving· considerate· other-directed