ahead of/behindthe curve, at the forefront of (or lagging behind) recent developments, trends, etc.
    throw (someone) a curve,
    1. to take (someone) by surprise, especially in a negative way.
    2. to mislead or deceive.

Origin of curve

1565–75; (< Middle French) < Latin curvus crooked, bent, curved
Related formscurv·ed·ly [kur-vid-lee] /ˈkɜr vɪd li/, adverbcurv·ed·ness, nouncurve·less, adjectiveun·curved, adjectiveun·curv·ing, adjectiveun·der·curve, nounun·der·curve, verb (used without object), un·der·curved, un·der·curv·ing.well-curved, adjective Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for curving

Contemporary Examples of curving

Historical Examples of curving

  • For three miles they tore along the curving road at high speed.

    Poisoned Air

    Sterner St. Paul Meek

  • The black pursuing craft was hidden by its vast, curving bulk.

    Loot of the Void

    Edwin K. Sloat

  • Thayer realized that the horns of his dilemma were long and curving.

    The Dominant Strain

    Anna Chapin Ray

  • Over Rome itself there was a strange massing and curving of the clouds.

    Italy, the Magic Land

    Lilian Whiting

  • The old man raised his head as a car pulled into the curving driveway.

    Suite Mentale

    Gordon Randall Garrett

British Dictionary definitions for curving



a continuously bending line that has no straight parts
something that curves or is curved, such as a bend in a road or the contour of a woman's body
the act or extent of curving; curvature
  1. a system of points whose coordinates satisfy a given equation; a locus of points
  2. the graph of a function with one independent variable
a line representing data, esp statistical data, on a graphan unemployment curve
ahead of the curve ahead of the times; ahead of schedule
behind the curve behind the times; behind schedule
short for French curve


to take or cause to take the shape or path of a curve; bend
Related formsRelated adjective: sinuous
Derived Formscurvedly (ˈkɜːvɪdlɪ), adverbcurvedness, nouncurvy, adjective

Word Origin for curve

C15: from Latin curvāre to bend, from curvus crooked
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for curving



1690s, "curved line," from curve (v.). With reference to the female figure (usually plural, curves), from 1862; as a type of baseball pitch, from 1879.



early 15c. (implied in curved), from Latin curvus "crooked, curved, bent," and curvare "to bend," both from PIE root *(s)ker- "to turn, bend" (see ring (n.)).

Online Etymology Dictionary, © 2010 Douglas Harper

curving in Medicine




A line or surface that deviates from straightness in a smooth, continuous fashion.
Something characterized by such a line or surface, especially a rounded line or contour of the human body.
A curved line representing variations in data on a graph.


To move in or take the shape of a curve.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

curving in Science



A line or surface that bends in a smooth, continuous way without sharp angles.
The graph of a function on a coordinate plane. In this technical sense, straight lines, circles, and waves are all curves.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Idioms and Phrases with curving


see throw a curve.

The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.