Adore, worship and idolize in their nonreligious senses mean to love or admire excessively.
Adore commonly implies emotional surrender to the charms or attractions of an object of love or admiration; it often connotes extreme adulation if the object of love is a person.
- this inability . . . to project his personality is a serious weakness in a country which likes to adore its leaders
With other objects it may connote no more than a hearty liking.
- like gourmets and yellow flies, sows adore eating truffles
Worship usually implies more extravagant admiration or more servile attentions than adore; it also commonly connotes an awareness of one’s own inferiority or of one’s distance from the object of one’s love.
- he worships his wife
- small boys who worship astronauts
Idolize often implies absurdly excessive admiration or doting love.
- idolizing money in life and poetry
—New School Bulletin
Sometimes, however, it comes very close to adore.
- a spoiled child is often one that has been idolized by his parents