English dictionary

fastness

/'f/&/stn/I/s/

Definitions, examples, synonyms and antonyms from WordNet 3.0.

noun

a rate (usually rapid) at which something happens

noun.attribute

Synonyms speed swiftness

Source: WordNet 3.0
the quality of being fixed in place as by some firm attachment

noun.attribute

Synonyms fixedness fixity fixture secureness

Antonyms looseness

Source: WordNet 3.0
a strongly fortified defensive structure

noun.artifact

Synonyms stronghold

Source: WordNet 3.0
The state of being fast and firm; firmness; fixedness; security; faithfulness.

noun

Source: webster1913