Definition for Stiffen:

• To make stiff.

Synonyms for Stiffen:

• n.

  •
  • starch,
  • petrify,
  • prop,
  • strengthen,
  • benumb,
  • precipitate,
  • brace,
  • cement,
  • anneal.
  •
  • inside.

• v.

  •harden (verb)
  • solidify,
  • firm,
  • harden.
  •make or become harder (verb)
  • clot,
  • candy,
  • jelly,
  • steady,
  • chill,
  • condense,
  • coagulate,
  • tense,
  • cake,
  • crystallize,
  • inflate,
  • curdle.
  •tighten (verb)
  • secure.

• Other synonyms:

  •
  • reinforcement,
  • bolster,
  • intensify.
  •
  • invigorate,
  • convulse,
  • firm up.
  •
  • back,
  • set.
  •
  • surge.
  •congeal
  • gel.
  •harden
  • indurate,
  • temper,
  • vitrify,
  • toughen.
  •Other relevant words:
  • galvanise,
  • confirm,
  • sustain,
  • tenacious,
  • lay,
  • rigid,
  • short-circuit,
  • firmness,
  • nourish,
  • protect,
  • capable,
  • numb,
  • unyielding,
  • rigour,
  • wiry,
  • heady,
  • charge,
  • energize,
  • Incrassate,
  • harsh,
  • rugged,
  • shock,
  • strict,
  • forceful,
  • amplify,
  • reduce,
  • confine,
  • strong,
  • throw back,
  • generate,
  • vitalize,
  • steel,
  • plug in,
  • consolidate,
  • strut,
  • rigorous,
  • restrain,
  • electrify,
  • switch on,
  • close,
  • stiffening,
  • steadfast,
  • curb,
  • bear up,
  • endure,
  • galvanize,
  • good,
  • turn off,
  • by force,
  • pare,
  • gelatinize,
  • cumber,
  • straighten,
  • piece together,
  • uncompromising,
  • serious,
  • fit out,
  • brace up,
  • be tough,
  • beef up,
  • stringer,
  • coerce,
  • put together,
  • support,
  • restrict,
  • refresh,
  • restrengthen,
  • put,
  • hard,
  • trammel,
  • sturdy,
  • insulate,
  • settled,
  • Hardener,
  • tight,
  • increase,
  • short,
  • gird,
  • durable,
  • rocky,
  • stiffener,
  • stiffness,
  • hardness,
  • hearten,
  • encourage,
  • undergird,
  • encumber,
  • switch off,
  • square,
  • severe,
  • buttress,
  • able,
  • regulate,
  • grit one's teeth,
  • cut,
  • austerity,
  • violent,
  • inflexibility,
  • solid,
  • fasten,
  • rigidity,
  • rigor,
  • nerve,
  • counter,
  • inflexible,
  • hold back,
  • rigidness,
  • taut,
  • energise,
  • reinvigorate,
  • tension,
  • trice up,
  • filler,
  • bite the bullet,
  • screw up,
  • rejuvenate,
  • inure,
  • innervate,
  • padding.

Paraphrases for Stiffen:

• Independent

  • Verb, base form
    strengthen, strengthened, enhance, bolster.

• Other Related

  • Verb, base form
    toughen, heighten, reinforce, reinforcing.

Antonyms for Stiffen:

• v.

  • change
    loosen.
  • make or become harder
    thin, weaken, soften, dissolve, melt, heat, Unfix, separate, dilute, liquefy.
  • Other antonyms:
    ameliorate, ease, moderate, lessen.

Homophones for Stiffen:

• stave in, skidpan, stewpan, step in, staff vine, step on, steepen, step-in, set upon, stephanion, steuben, stephen.

Hypernym for Stiffen:

• v.

  • change
    petrify, rigidify, buckram, starch, ossify.

Hyponym for Stiffen:

• v.

  • change
    modify, alter, change.