[ sahyt ]
/ saɪt /
the power or faculty of seeing; perception of objects by use of the eyes; vision.
an act, fact, or instance of seeing.
one's range of vision on some specific occasion: Land is in sight.
a view; glimpse.
mental perception or regard; judgment.
something seen or worth seeing; spectacle: the sights of London.
Informal. something unusual, surprising, shocking, or distressing: They were a sight after the fight.
- presentation of a bill of exchange: a draft payable at two months after sight.
- a showing of goods, especially gems, held periodically for wholesalers.
Older Use. a multitude; great deal: It's a sight better to work than to starve.
an observation taken with a surveying, navigating, or other instrument to ascertain an exact position or direction.
any of various mechanical or optical viewing devices, as on a firearm or surveying instrument, for aiding the eye in aiming.
Obsolete. skill; insight.
verb (used with object)
to see, glimpse, notice, or observe: to sight a ship to the north.
to take a sight or observation of (a stake, coastline, etc.), especially with surveying or navigating instruments.
to direct or aim by a sight or sights, as a firearm.
to provide with sights or adjust the sights of, as a gun.
verb (used without object)
to aim or observe through a sight.
to look carefully in a certain direction.
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- immediately upon seeing, especially without referring elsewhere for assurance, further information, etc.: to translate something at sight.
- Commerce. on presentation: a draft payable at sight.
at first sight, at the first glimpse; at once: It was love at first sight.
- beyond one's range of vision.
- Informal. beyond reason; exceedingly high: The price is out of sight.
- Slang. (often used as an interjection) fantastic; marvelous: a ceremony so glamorous it was out of sight. Oh wow! Out of sight!
catch sight of, to get a glimpse of; espy: We caught sight of the lake below.
know by sight, to recognize (a person or thing) seen previously: I know him by sight, but I know nothing about him.
not by a long sight, Informal. definitely not: Is that all? Not by a long sight.
on/upon sight, immediately upon seeing: to shoot him on sight; to recognize someone on sight.
out of sight,
sight for sore eyes, someone or something whose appearance on the scene is cause for relief or gladness.
sight unseen, without previous examination: to buy something sight unseen.
Origin of sight
Related formssight·a·ble, adjectivesight·er, nounre·sight, verb (used with object)un·der·sight, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
British Dictionary definitions for on sight
/ (saɪt) /
the power or faculty of seeing; perception by the eyes; visionRelated adjectives: optical, visual
the act or an instance of seeing
the range of visionwithin sight of land
range of mental vision; point of view; judgmentin his sight she could do nothing wrong
a glimpse or view (esp in the phrases catch sight of, lose sight of)
anything that is seen
(often plural) anything worth seeing; spectaclethe sights of London
informal anything unpleasant or undesirable to seehis room was a sight!
any of various devices or instruments used to assist the eye in making alignments or directional observations, esp such a device used in aiming a gun
an observation or alignment made with such a device
an opportunity for observation
obsolete insight or skill
a sight informal a great dealshe's a sight too good for him
a sight for sore eyes a person or thing that one is pleased or relieved to see
at sight or on sight
- as soon as seen
- on presentationa bill payable at sight
know by sight to be familiar with the appearance of without having personal acquaintanceI know Mr Brown by sight but we have never spoken
not by a long sight informal on no account; not at all
out of sight
- slang not visible
- extreme or very unusual
- (as interj.)that's marvellous!
set one's sights on to have (a specified goal) in mind; aim for
sight unseen without having seen the object at issueto buy a car sight unseen
(tr) to see, view, or glimpse
- to furnish with a sight or sights
- to adjust the sight of
to aim (a firearm) using the sight
Derived Formssightable, adjective
Word Origin for sight
Old English sihth; related to Old High German siht; see see 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
Medicine definitions for on sight
[ sīt ]
The ability to see.
Field of vision.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Idioms and Phrases with on sight (1 of 2)
Also, at sight. Immediately upon seeing, as in The soldiers threatened to shoot looters on sight, or He's able to multiply those three-digit figures at sight. [Second half of 1400s]
Idioms and Phrases with on sight (2 of 2)
In addition to the idioms beginning with sight
- sight for sore eyes, a
- sight unseen
- at first blush (sight)
- at sight
- can't stand the sight of
- catch sight of
- heave into sight
- in sight
- know by sight
- lose sight of
- love at first sight
- lower one's sights
- on sight
- out of sight
- raise one's sights
- second sight
- see the sights
- set one's sights on
- twenty-twenty hindsight
The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.