Is “Infix” a Scrabble word?
Yes
INFIX
Valid in at least one Scrabble dictionary
Valid in these dictionaries
SOWPODS / CSW
Scrabble UK & International
TWL / NWL
Scrabble North America
Large English Dictionary
General English word list
Meaning of Infix
noun
1.A morpheme inserted inside an existing word, such as -bloody- in English.
2.A morpheme that always appears between other morphemes in a word, such as -i- and -o- in English.
verb
1.To set; to fasten or fix by piercing or thrusting in.
“to infix a sting, spear, or dart”
2.To instill.
3.To insert a morpheme inside an existing word.