SLACKEN Antonyms
There are 6 antonyms of the word
slacken.
(opposite meanings)
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Definition of SLACKEN
Definition of SLACKEN
Best Opposite Words For SLACKEN
Alternatives for FASTEN
Alternatives for FIRM
Alternatives for SECURE
Words (36)
impregnablesafeunassailableassuredcertainconfidentcovereddefinitefortifiedguardedimmuneimperviousinvulnerableprotectedreliableresistantshieldedsteadfastdefendedlockedassurebattendependableensurefastenfixgoodguaranteeinsureinviolableplugprocurestrongunafraidunattackableuntroubledPhrases (2)
batten downstop up