1noun
a rate (usually rapid) at which something happens
“the project advanced with gratifying speed”
01 Word definition
fastness
8 letters · 2 vowels · 6 consonants
Is FASTNESS a word?
Yes. FASTNESS is a 8-letter noun. a rate (usually rapid) at which something happens Check the official dictionary for your particular word game before playing it.
Correct spelling
F-A-S-T-N-E-S-SHow do you spell FASTNESS?
FASTNESS contains 8 letters, begins with F, and ends with S.
Check another spelling →Meaning and definition
2noun
the quality of being fixed in place as by some firm attachment
Synonyms
Source: Open English WordNet 2025 (CC BY 4.0) ↗speedswiftnessfixednessfixityfixturesecureness
02 Letter breakdown
How is FASTNESS spelled?
F1A2S3T4N5E6S7S8
03 Word-game status
Can you play FASTNESS?
UnscramblerHQ dictionary
This spelling is present in our broad English solver dictionary.
Scrabble
Base tile value: 11 points. Confirm eligibility in the official word list used for your region and edition.
Words With Friends
Base tile value: 12 points. Confirm eligibility inside the current game dictionary.
FAQ Quick answers
About FASTNESS.
How do you spell FASTNESS?
FASTNESS is spelled F-A-S-T-N-E-S-S. It contains 8 letters.