Definition of "favourite"

Preferred or liked above all others (unless qualified).  examples

Belonging to a category whose members are all preferred or liked over nonmembers.  examples

A person or thing who enjoys special regard or favour.  examples

A person who is preferred or trusted above all others.  examples

A contestant or competitor thought most likely to win.  examples

(Internet) A bookmark in a web browser.  examples

(in the plural) A short curl dangling over the temples, fashionable in the reign of Charles II.  quotations  examples

To favour.  examples

(Internet) To bookmark.  examples

(Internet) To add to one's list of favourite items on a website that allows users to compile such lists.  examples