i Register
In some senses, favourite is marked as British. Watch for register when choosing this word.
noun
A person or thing who enjoys special regard or favour.
The teacher's favourite always went first.
A person who is preferred or trusted above all others.
A contestant or competitor thought most likely to win.
You were my favourite to win the spelling competition.
She's the favourite, she'll probably be elected.
A bookmark on a web browser or website.
A short curl dangling over the temples, fashionable in the reign of Charles II.
the Favourites hang loose upon the Temples with a languishing Lock in the middle
verb
To favour.
To bookmark.
To add to one's list of favourite items on a website that allows users to compile such lists.