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fastness

noun

Synonyms and Antonyms of fastness

1 a high rate of movement or performance
  • The amazing fastness with which the boy took his shower had us wondering if he'd used any water.
Synonyms of fastness

celerity, fleetness, haste, hurry, quickness, rapidity, rapidness, speed, speediness, swiftness, velocity
Words Related to fastness

clip, gait, pace, rate, tempo

drive, hustle

acceleration, hastiness, precipitation, precipitousness, rush

alacrity, dispatch, expedition, expeditiousness, promptitude, promptness
Near Antonyms of fastness

languidness, languor, leisureliness, lethargy, torpidity, torpor

deliberateness, deliberation

dilatoriness, lateness, pokiness, procrastination
Antonyms of fastness

slowness, sluggishness
2 a structure or place from which one can resist attack
  • The guerillas retreated to their network of hidden fastnesses deep within the mountains.
Synonyms of fastness

bastion, castle, citadel, fort, fortification, fortress, hold, redoubt, stronghold
Words Related to fastness

battlement, breastwork, bulwark, earthwork, embattlement, parapet, rampart

bunker, dugout

blockhouse, garrison house
3 adherence to something to which one is bound by a pledge or duty
  • His uncompromising fastness to the cause of freedom was beyond question.
Synonyms of fastness

adhesion, allegiance, attachment, commitment, constancy, dedication, devotedness, devotion, faith, faithfulness, fealty, fidelity, loyalty, piety, steadfastness, troth
Words Related to fastness

affection, fondness

determination, firmness, resolution

dependability, reliability, trustability, trustiness, trustworthiness
Near Antonyms of fastness

alienation, disaffection, estrangement, separation
Antonyms of fastness

disloyalty, faithlessness, falseness, falsity, inconstancy, infidelity, perfidiousness, perfidy, treachery, unfaithfulness

Learn More about fastness

  1. See words that rhyme with fastness Dictionary: Definition of fastness Medical Dictionary: Definition of fastness

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