sight

[sahyt]

noun

1. the power or faculty of seeing; perception of objects by use of the eyes; vision.

2. an act, fact, or instance of seeing.

3. an instance of looking briefly; view; glimpse.

4. one's range of vision on some specific occasion.

   Land is in sight.

5. mental perception or regard; judgment.

6. something seen or worth seeing; spectacle.

   the sights of London.

7. Informal.,  something unusual, surprising, shocking, or distressing.

   They were a sight after the fight.

8. Commerce.

   1. presentation of a bill of exchange.

      a draft payable at two months after sight.

   2. a showing of goods, especially gems, held periodically for wholesalers.

9. Older Use.,  a great deal.

   It's a sight better to work than to starve.

10. an observation taken with a surveying, navigating, or other instrument to ascertain an exact position or direction.

11. any of various mechanical or optical viewing devices, as on a firearm or surveying instrument, for aiding the eye in aiming.

12. Obsolete.,  skill; insight.

verb (used with object)

1. to see, glimpse, notice, or observe.

   to sight a ship to the north.

2. to take a sight or observation of (a stake, coastline, etc.), especially with surveying or navigating instruments.

3. to direct or aim by a sight or sights, as a firearm.

4. to provide with sights or adjust the sights of, as a gun.

verb (used without object)

1. to aim or observe through a sight.

2. to look carefully in a certain direction.

sight

/ saɪt /

noun

1. the power or faculty of seeing; perception by the eyes; vision

2. the act or an instance of seeing

3. the range of vision

   within sight of land

4. range of mental vision; point of view; judgment

   in his sight she could do nothing wrong

5. a glimpse or view (esp in the phrases catch sight of, lose sight of )

6. anything that is seen

7. (often plural) anything worth seeing; spectacle

   the sights of London

8. informal,  anything unpleasant or undesirable to see

   his room was a sight!

9. 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

10. an observation or alignment made with such a device

11. an opportunity for observation

12. obsolete,  insight or skill

13. informal,  a great deal

    she's a sight too good for him

14. a person or thing that one is pleased or relieved to see

15. 1. as soon as seen

    2. on presentation

       a bill payable at sight

16. to be familiar with the appearance of without having personal acquaintance

    I know Mr Brown by sight but we have never spoken

17. informal,  on no account; not at all

18. 1. slang,  not visible

    2. extreme or very unusual

    3. ( as interj. )

       that's marvellous!

19. to have (a specified goal) in mind; aim for

20. without having seen the object at issue

    to buy a car sight unseen

verb

1. (tr) to see, view, or glimpse

2. (tr)

   1. to furnish with a sight or sights

   2. to adjust the sight of

3. to aim (a firearm) using the sight

Other Word Forms

• sightable adjective
• sighter noun
• resight verb (used with object)
• undersight noun

Word History and Origins

Origin of sight¹

First recorded before 950; Middle English (noun); Old English sihth (more often gesihth, gesiht; cognate with German Gesicht face; y- ), derivative of sēon “to see ¹ ”; -th ¹

Word History and Origins

Origin of sight¹

Old English sihth; related to Old High German siht; see _see ¹

Idioms and Phrases

Idioms

1. on / upon sight, immediately upon seeing.

   to shoot him on sight;

   to recognize someone on sight.

2. not by a long sight, definitely not.

   Is that all? Not by a long sight.

3. at first sight, at the first glimpse; at once.

   It was love at first sight.

4. in plain sight. in plain sight.

5. sight for sore eyes, someone or something whose appearance on the scene is cause for relief or gladness.

6. sight unseen, without previous examination.

   to buy something sight unseen.

7. catch sight of, to get a glimpse of; espy.

   We caught sight of the lake below.

8. know by sight, to recognize (a person or thing) seen previously.

   I know him by sight, but I know nothing about him.

9. at sight,

   1. immediately upon seeing, especially without referring elsewhere for assurance, further information, etc..

      to translate something at sight.

   2. Commerce. on presentation.

      a draft payable at sight.

10. out of sight,

    1. beyond one's range of vision.

    2. Informal. beyond reason; exceedingly high.

       The price is out of sight.

    3. Slang. (often used as an interjection) fantastic; marvelous.

       a ceremony so glamorous it was out of sight.

       Oh wow! Out of sight!

More idioms and phrases containing sight

• 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

Example Sentences

Mr Phillips, who disappeared with his children in part due to a custody dispute, evaded capture for nearly four years, despite a nationwide search and multiple sightings.

Read more on BBC

Gail Cairns, from Belfast, started experiencing sight loss, headaches, and eye pain in July 2025, but waited four days before getting her eyes checked.

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During her first trip to a supermarket, she was unable to tear herself away from the bread aisle - and the sights and smells of so much plenty.

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He is a delight to watch - even just the sight of him strolling the corridors with his hood up trying to look menacing makes you laugh.

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A small gathering of protesters milled outside the building, with no city officers in sight.

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Related Words

• appearance 
• eye 
• perception 
• view 
• vision