English version

stiffen

From Longman Dictionary of Contemporary Englishstiffenstiff‧en /ˈstɪfən/ verb  1 [intransitive]UNFRIENDLY if you stiffen, your body suddenly becomes firm, straight, or still because you feel angry or anxious opp relax He touched her, and she stiffened.2 [intransitive, transitive]DETERMINED to become stronger, more severe, or more determined, or to make something do this a campaign to stiffen rules against drink-driving Their opposition only stiffened my resolve.3 [intransitive] (also stiffen up)HURT/CAUSE PAIN to become painful and difficult to move His joints had stiffened. My back had stiffened up.4 [transitive]BEND# to make material stiff so that it will not bend easily→ See Verb table
Examples from the Corpus
stiffenHigh school graduation standards must be stiffened.I had to cut quickly, before the dough stiffened.You can stiffen curtain fabric by using a special liquid solution.The very thought stiffened her body in his arms and she all but scowled at him.It also stiffened his intransigence toward his internal critics, and in turn stiffened their resistance to him.Then all at once he stiffened, staring again towards the shore.Leaning back into the hill and stiffening the downhill leg is the worst reaction, if the most instinctive.Moisture will only stiffen the leather of your shoes.Point your toes and stiffen the muscles in your legs.The council wants to stiffen the penalty for drunk driving.He will stiffen their resistance to cuts in welfare.Already, Meh'Lindi's own skin seemed to be stiffening under that black second skin.Nora stiffened when she heard her ex-boyfriend's name mentioned.stiffened ... resolveHe had only to say he admired Grace Bird's fortitude and instantly her chin stiffened with resolve.
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Verb table
stiffen
Simple Form
Present
I, you, we, theystiffen
he, she, itstiffens
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Past
I, you, he, she, it, we, theystiffened
Present perfect
I, you, we, theyhave stiffened
he, she, ithas stiffened
Past perfect
I, you, he, she, it, we, theyhad stiffened
Future
I, you, he, she, it, we, theywill stiffen
Future perfect
I, you, he, she, it, we, theywill have stiffened
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Continuous Form
Present
Iam stiffening
he, she, itis stiffening
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you, we, theyare stiffening
Past
I, he, she, itwas stiffening
you, we, theywere stiffening
Present perfect
I, you, we, theyhave been stiffening
he, she, ithas been stiffening
Past perfect
I, you, he, she, it, we, theyhad been stiffening
Future
I, you, he, she, it, we, theywill be stiffening
Future perfect
I, you, he, she, it, we, theywill have been stiffening
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