Definition of fastness

Scrabble & Words with friends points

• fastness is a valid Scrabble US word with a point value of 11
• fastness is a valid Scrabble UK word with a point value of 11
• fastness is a valid Words with friends word with a point value of 12

Definition of fastness

• a rate (usually rapid) at which something happens (noun)

  Synonyms

  1. speed
  2. swiftness
• the quality of being fixed in place as by some firm attachment (noun)

  Synonyms

  1. fixedness
  2. fixity
  3. fixture
  4. secureness
• a strongly fortified defensive structure (noun)

  Synonyms

  1. stronghold

See definition of fastness in Merriam Webster