loop

/lu:p/
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loop

The pilot performed a perfect loop in the blue sky.

Definition
  1. Noun:

    • A shape produced by a curve that bends round and crosses itself: A line, rope, or similar material that curves around to form a circular or oval shape, with the ends either joined or crossing.
    • A structure, path, or pattern that is circular or repetitive: Something that follows a circular course or returns to its starting point, such as a road, a piece of film, or a sequence of instructions.
    • A complete electrical circuit: A closed path through which an electric current can flow.
    • A maneuver in which an aircraft flies a vertical circle: An aerobatic maneuver where an aircraft follows a roughly circular path in a vertical plane.
    • A set of repeated instructions in computing: A sequence of instructions in a computer program that is repeated until a specific condition is met.
  2. Verb:

    • To form into a loop or curves: To make something into the shape of a loop.
    • To move in a circular or curved path: To follow a course that is circular or winding.
    • To fasten or join with a loop: To secure something by forming a loop around it or passing it through a loop.
    • To perform an aerial loop: To fly an aircraft in a vertical circle.
Examples
  • Noun:

    • She tied the rope into a secure loop.
    • The film was on a continuous loop, playing over and over.
    • The programmer fixed an error in the loop of the code.
  • Verb:

    • He looped the scarf around his neck twice.
    • The trail loops through the forest and back to the parking lot.
    • The pilot looped the plane twice during the air show.
Advanced Usage
  • "in the loop": Informed and involved in a particular activity or group, especially one where information is shared.
    • Please keep me in the loop about any changes to the schedule.
  • "out of the loop": Not informed or involved in a particular activity or group.
    • After her vacation, she felt out of the loop on the new project.
  • "loop back": To return to a starting point or an earlier point in a process.
    • We need to loop back to our original question.
Variants and Related Words
  • Loophole (n): An ambiguity or omission in a law or contract that allows one to avoid a rule or obligation.
  • Looping (n/adj): The action of forming loops; characterized by loops. (e.g., ).
  • Loopy (adj, informal): Crazy or silly.
Synonyms
  • Noun: Coil, ring, circle, bend, curve.
  • Verb: Coil, wind, twist, curl, encircle.
Related Phrasal Verbs
  • Loop in: To include someone in a communication or activity by informing them.
    • I'll loop Sarah in on the email chain.
  • Loop around: To go around something in a curved or circular path.
    • The highway loops around the city.
Related Idioms
  • Throw someone for a loop: To surprise, confuse, or shock someone.
    • The sudden news really threw me for a loop.
  • Knock someone for a loop: To overwhelm or astonish someone (similar to "throw for a loop").
    • The final exam question knocked me for a loop.
loop

The pilot performed a perfect loop in the blue sky.

Noun
  1. a flight maneuver; aircraft flies a complete circle in the vertical plane
  2. a complete electrical circuit around which current flows or a signal circulates
  3. an intrauterine device in the shape of a loop
  4. the topology of a network whose components are serially connected in such a way that the last component is connected to the first component
  5. a computer program that performs a series of instructions repeatedly until some specified condition is satisfied
  6. the basic pattern of the human fingerprint
  7. an inner circle of advisors (especially under President Reagan)
    • he's no longer in the loop
  8. (computer science) a single execution of a set of instructions that are to be repeated
    • the solution took hundreds of iterations
  9. anything with a round or oval shape (formed by a curve that is closed and does not intersect itself)
  10. fastener consisting of a metal ring for lining a small hole to permit the attachment of cords or lines
Verb
  1. fasten or join with a loop
    • He looped the watch through his belt
  2. wind around something in coils or loops
  3. fly loops, perform a loop
    • the stunt pilot looped his plane
  4. make a loop in
    • loop a rope
  5. move in loops
    • The bicycle looped around the tree