flex

/flex/
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flex

He gave his biceps a flex to show his strength.

Definition
  1. Verb:

    • To bend or cause to bend: The primary meaning of "flex" is to bend something, especially repeatedly, or to be bent. This often refers to physical objects or body parts.
    • To contract a muscle: In anatomy and fitness, "flex" specifically means to tighten a muscle, making it more prominent and demonstrating its strength.
    • To demonstrate or exhibit power, skill, or influence: Figuratively, "flex" means to show off one's capabilities, strength, or resources in a conspicuous way.
  2. Noun:

    • The act of bending or contracting: A "flex" is the action or instance of flexing, particularly a muscle.
    • (British English) A flexible insulated electric cord: A wire or cable used to connect an electrical appliance to a power source.
Usage Examples
  • Verb (to bend):
    • Carefully flex the plastic to see if it will break.
    • The material can flex without snapping.
  • Verb (to contract a muscle):
    • He likes to flex his biceps in the mirror.
    • Flex your calf muscle to relieve the cramp.
  • Verb (to show off power/skill):
    • The company flexed its financial muscle by acquiring a competitor.
    • The author flexes her vocabulary in every chapter.
  • Noun (act of flexing):
    • With a quick flex of his arm, he showed off the tattoo.
    • A good stretch involves a gentle flex of the spine.
  • Noun (electric cord - UK):
    • The kettle's flex is too short to reach the socket.
Advanced Usage
  • "Flex on (someone)": (Slang) To show off one's superiority, wealth, or skills in front of someone, often to make them feel inferior.
    • He's just trying to flex on us with his new car.
  • "Flex time" / "Flextime": (Noun) A work schedule that allows employees to choose their start and end times within agreed limits.
    • Our company offers flex time, so I start work at 10 AM.
Variants and Related Words
  • Flexible (adj): Capable of bending easily without breaking; able to adapt to new circumstances.
    • Rubber is a flexible material. We need a flexible plan.
  • Flexibility (n): The quality of being able to bend or be bent; the ability to adapt.
    • Yoga improves your flexibility. Schedule flexibility is important.
  • Flexor (n): A muscle that bends a part of the body.
    • The biceps is a flexor of the elbow.
Synonyms
  • Bend: To curve or make something curve.
  • Contract: To make a muscle become shorter and tighter.
  • Show off: To display abilities or possessions to attract admiration (informal, for the figurative sense).
Related Phrasal Verbs/Phrases
  • Flex your muscles: Literally, to tighten your muscles to show them. Figuratively, to demonstrate your power or capability as a warning or show of strength.
    • The army flexed its muscles with a large parade.
    • The union is flexing its muscles ahead of the negotiations.
Related Idioms
  • No flex zone: (Modern slang) A situation or place where showing off is not tolerated or is considered inappropriate.
    • This study group is a no flex zone; just help each other learn.
flex

He gave his biceps a flex to show his strength.

Noun
  1. the act of flexing
    • he gave his biceps a flex to impress the ladies
Verb
  1. cause (a plastic object) to assume a crooked or angular form
    • bend the rod
    • twist the dough into a braid
    • the strong man could turn an iron bar
  2. bend a joint
    • flex your wrists
    • bend your knees
  3. form a curve
    • The stick does not bend
  4. exhibit the strength of
    • The victorious army flexes its invincibility
  5. contract
    • flex a muscle