[ graf, grahf ]
/ græf, grɑf /
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See synonyms for: graph / graphed / graphing on Thesaurus.com

a diagram representing a system of connections or interrelations among two or more things by a number of distinctive dots, lines, bars, etc.
  1. a series of points, discrete or continuous, forming a curve or surface, each of which represents a value of a given function.
  2. Also called linear graph . a network of lines connecting points.
a written symbol for an idea, a sound, or a linguistic expression.
Computers. a non-hierarchical data structure whose nodes store data elements and whose branches represent connections to other nodes in the structure.
verb (used with object)
Mathematics. to draw (a curve) as representing a given function.
to represent by means of a graph.
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Origin of graph

First recorded in 1875–80; short for graphic formula;see graphic

synonym study for graph

1. See map.


re·graph, verb (used with object)

Other definitions for graph (2 of 3)


variant ofgrapho- before a vowel: grapheme.

Other definitions for graph (3 of 3)


a combining form meaning “drawn,” “written” (lithograph; monograph); specialized in meaning to indicate the instrument rather than the written product of the instrument (telegraph; phonograph).

Origin of -graph

<Greek -graphos (something) drawn or written, one who draws or writes. See grapho-
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use graph in a sentence

British Dictionary definitions for graph (1 of 2)

/ (ɡrɑːf, ɡræf) /

Also called: chart a drawing depicting the relation between certain sets of numbers or quantities by means of a series of dots, lines, etc, plotted with reference to a set of axesSee also bar graph
maths a drawing depicting a functional relation between two or three variables by means of a curve or surface containing only those points whose coordinates satisfy the relation
maths a structure represented by a diagram consisting of points (vertices) joined by lines (edges)
linguistics a symbol in a writing system not further subdivisible into other such symbols
(tr) to draw or represent in a graph

Word Origin for graph

C19: short for graphic formula

British Dictionary definitions for graph (2 of 2)


n combining form
an instrument that writes or recordstelegraph
a writing, record, or drawingautograph; lithograph

Derived forms of -graph

-graphic or -graphical, adj combining form-graphically, adv combining form

Word Origin for -graph

via Latin from Greek -graphos, from graphein to write
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

Scientific definitions for graph

[ grăf ]

A diagram showing the relationship of quantities, especially such a diagram in which lines, bars, or proportional areas represent how one quantity depends on or changes with another.
A curve or line showing a mathematical function or equation, typically drawn in a Cartesian coordinate system. The graph of the function y = x2 is a parabola.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.