frightful is a valid English word

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

Meanings

Adjective (COMPARABLE)

(obsolete) Full of fright, whether
Full of something causing fright, whether

Adverb (COMPARABLE)

(dialect) Frightfully; very.

frightful is a Scrabble valid word

f4r1i1g2h4t1f4u1l1

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

frightful is an iScramble, QuickWords valid word

f1r2i3g4h5t6f7u8l9

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

Same letters words (Anagrams)

• none

Same letters plus one

• FRIGHTFULL

Same letters minus one

• GIRTHFUL
• RIGHTFUL