English Reference
noun · verb

curve

n. · v.
US /ˈkɝv/ UK /kˈɜːv/ curve UK spelling curves

  1. 01 B1 Intermediate

    n.a line or surface that bends smoothly without any sharp corners.

    n.a continuous bending line or surface devoid of angles.

    Simple

    The road has a sharp curve just before you reach the bridge.

    In context

    The driver struggled to maintain traction as the vehicle entered the hairpin curve at an excessive speed.

    straight line
  2. 02 B2 Upper Intermediate Informal

    n.the rounded parts of a person's body, often used to describe an attractive shape.

    n.the anatomical contours of the human body, typically used in the plural to denote a shapely or attractive physique.

    Simple

    The dress was designed to highlight her natural curves.

    In context

    The fashion industry has faced increasing pressure to feature models with diverse body types and natural curves rather than promoting a single aesthetic.

  3. 03 B2 Upper Intermediate American English

    n.a way of grading students where their marks depend on how well the rest of the class performed.

    n.a statistical method of assigning grades based on the distribution of scores within a cohort, often following a bell curve.

    Simple

    The chemistry exam was so difficult that the professor decided to grade it on a curve.

    In context

    Students often prefer being graded on a curve when the raw scores are low, as it adjusts their final marks relative to the class average.

  4. 04 B1 Intermediate

    v.to form a smooth, bending shape or to move in a bending path.

    v.to deviate from a straight line or course in a smooth, continuous manner.

    Simple

    The river curves through the valley for several miles.

    In context

    The architect designed the glass facade to curve elegantly around the corner of the building, reflecting the surrounding parkland.

  5. 05 C1 Advanced SlangInformal

    v.to ignore or reject someone who is trying to start a romantic relationship with you.

    v.to reject or rebuff a romantic or sexual advance, often by being evasive or ignoring the person.

    Simple

    He tried to ask her out on a date, but she totally curved him.

    In context

    After several ignored messages, he finally realized she was curving him and decided to stop reaching out.

    Usage

    The verb is transitive and usually takes a person as the direct object.

    rejectsnubrebuff

The light curve (LC)—a graph of how the explosion's light changes over time—told a different story.

Phys.org· 16 Aug 2026

Google is actually ahead of the curve here.

Ars Technica· 29 Jul 2026

Attested since the 1690s, from Latin curvus (“bent, curved”), ultimately from Proto-Indo-European (s)ker- (“to bend, curve, turn”) + -wós. Doublet of curb, shrink, carcer, and cancer.

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

This entry
Origin ine-pro *(s)ker-
Level B2 · Upper Intermediate
Frequency Common
Updated