[ sahyz-uhp ]
/ ˈsaɪzˌʌp /


an appraisal or estimation, especially as the result of sizing up: asking for a size-up of the new office equipment.



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Question 1 of 10

Origin of size-up

noun use of verb phrase size up

Definition for size up (2 of 2)

[ sahyz ]
/ saɪz /


verb (used with object), sized, siz·ing.

Verb Phrases

size up, Informal.
  1. to form an estimate of (a situation, person, etc.); judge: They sized him up with a look.
  2. to meet a certain standard: He doesn't size up to my expectations.

Origin of size

1250–1300; (noun) Middle English syse orig., control, regulation, limit < Old French sise, aphetic variant of assise assize; (v.) in part representing late Middle English sisen to regulate (itself partly derivative of the noun, partly aphetic variant of assisen to fix, ordain, assess < Old French assiser, derivative of assise assize), in part derivative of the noun in later senses

synonym study for size

1. Size, volume, mass, bulk are terms referring to the extent or dimensions of that which has magnitude and occupies space. Size is the general word: of great size; small in size. Volume often applies to something that has no fixed shape: Smoke has volume. Mass, also, does not suggest shape, but suggests a quantity of matter in a solid body: a mass of concrete. Bulk suggests weight, and often a recognizable, though perhaps unwieldy, shape: the huge bulk of an elephant.


sighs size Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

British Dictionary definitions for size up (1 of 3)

size up

verb (adverb)

(tr) to make an assessment of (a person, problem, etc)
to conform to or make so as to conform to certain specifications of dimension

British Dictionary definitions for size up (2 of 3)

/ (saɪz) /


the dimensions, proportions, amount, or extent of something
large or great dimensions, etc
one of a series of graduated measurements, as of clothingshe takes size 4 shoes
informal state of affairs as summarizedhe's bankrupt, that's the size of it


to sort according to size
(tr) to make or cut to a particular size or sizes

Derived forms of size

sizer, noun

Word Origin for size

C13: from Old French sise, shortened from assise assize

usage for size

The use of -size and -sized after large or small is redundant, except when describing something which is made in specific sizes: a large (not large-size) organization. Similarly, in size is redundant in the expressions large in size and small in size

British Dictionary definitions for size up (3 of 3)

/ (saɪz) /


Also called: sizing a thin gelatinous mixture, made from glue, clay, or wax, that is used as a sealer or filler on paper, cloth, or plaster surfaces


(tr) to treat or coat (a surface) with size

Derived forms of size

sizy, adjective

Word Origin for size

C15: perhaps from Old French sise; see size 1
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

Idioms and Phrases with size up (1 of 2)

size up

Make an estimate, opinion, or judgment of, as in She sized up her opponent and decided to withdraw from the election. This usage transfers measuring the size of something to broader meaning. [Late 1800s]

Idioms and Phrases with size up (2 of 2)


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