gigantic is a valid English word

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

Meanings

Adjective (COMPARABLE)

Very large.
(slang) Excellent; very good or exciting.
• This band is going to be gigantic.
In the manner of a giant.

gigantic is a Scrabble valid word

g2i1g2a1n1t1i1c3

• International English (Sowpods) - The word is valid in Scrabble ✔
• US English (TWL06) - The word is valid in Scrabble ✔
• 12 points

gigantic is an iScramble, QuickWords valid word

g1i2g3a4n5t6i7c8

• The word is valid in iScramble ✔
• The word is valid in QuickWords ✔
• 36 points

Same letters words (Anagrams)

• none

Same letters plus one

• GIGANTICK

Same letters minus one

• GAITING