favourite is a valid English word

Scrabble validity: valid ( international - Sowpods ), invalid ( US - Twl06 )
iScramble validity: invalid
QuickWords validity: invalid

Meanings

Adjective

Preferred or liked above all others (unless qualified).
• Antonym: least favorite, unfavourite, unfavorite
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.

Noun (COUNTABLE)

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.
• Synonym: top dog
A contestant or competitor thought most likely to win.
• You were my favourite to win the spelling competition.

Verb

To favour.
(Internet) To bookmark.
(Internet) To add to one's list of favourite items on a website that allows users to compile such lists.
• Antonym: unfavourite, unfavorite

favourite is a Scrabble valid word

favourite

• International English (Sowpods) - The word is valid in Scrabble ✔
• US English (TWL06) - The word is not valid in Scrabble ✘
• 00 points

favourite is not an iScramble, QuickWords valid word

favourite

• The word is not valid in iScramble ✘
• The word is not valid in QuickWords ✘
• 00 points

Same letters words (Anagrams)

• none

Same letters plus one

• FAVOURITED
• FAVOURITES
• UNFAVORITE

Same letters minus one

• AUTOFIRE
• FAVORITE