kink

A kink is a bend or a twist in an otherwise straight line, like a kink in a garden hose that blocks water from flowing freely.

When something kinks, it bends to form a kink or curl — if your hair kinks in the rain, it gets tightly curly. You can also have a kink in your neck, a tight muscle that cramps painfully. Yet another kind of kink is a problem, complication, or weakness in a plan: "The major kink in her plan turned out to be that no one was interested in buying hand-knitted cat sweaters."

Definitions of kink
  1. noun
    a sharp bend in a line produced when a line having a loop is pulled tight
    synonyms: twirl, twist
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    type of:
    bend, crease, crimp, flexure, fold, plication
    an angular or rounded shape made by folding
  2. verb
    curl tightly
    synonyms: crape, crimp, frizz, frizzle, kink up
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    type of:
    curl, wave
    twist or roll into coils or ringlets
  3. verb
    form a curl, curve, or kink
    synonyms: curl, curve
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    type of:
    change surface
    undergo or cause to undergo a change in the surface
  4. noun
    a painful muscle spasm especially in the neck or back (`rick' and `wrick' are British)
    synonyms: crick, rick, wrick
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    type of:
    cramp, muscle spasm, spasm
    a painful and involuntary muscular contraction
  5. noun
    a difficulty or flaw in a plan or operation
    “there are still a few kinks to iron out”
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    type of:
    difficulty
    a factor causing trouble in achieving a positive result or tending to produce a negative result
  6. noun
    an eccentric idea
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    type of:
    idea, thought
    the content of cognition; the main thing you are thinking about
  7. noun
    a person with unusual sexual tastes
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