noun

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

   “The teacher's favourite always went first.”

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

3. A contestant or competitor thought most likely to win.

   “She's the favourite, she'll probably be elected.”

Synonyms: top dog

verb

1. To favour.

2. To bookmark.

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

adjective

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

   “This is my second favourite occupation.”

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

   “I just saw a movie with all my favourite actors in it.”