Eyesight vs Sight

When to use each in English, with meaning, register, and examples.

Eyesight

Top 5,000 (fairly common)

Sight

Top 1,000 (very common)B1noun
Most common: Sight
 EyesightSight
Pronunciation🇬🇧 //ˈaɪ.saɪt//🇺🇸 //ˈaɪ.saɪt//🇬🇧 /["/saɪt/"]/🇺🇸 /["/saɪt/"]/
MeaningThe ability to see clearlyThe ability to see; vision.
ExampleShe has excellent eyesight for her age.The sight of the sunset was breathtaking, filling the sky with beautiful colors.
RegisterNeutralNeutral
How commonTop 5,000 (fairly common)Top 1,000 (very common)
CEFR level-B1
Part of speechnoun
Collocationsgood eyesight, poor eyesight, eyesight testhave, lose, regain, deteriorate, fail, go, test, defects, problems, the/​your sense of sight, catch, get, have, gag, at the sight (of), on sight, at first sight, cannot bear the sight of something, cannot stand the sight of something, come into, disappear from, vanish from, in sight, out of sight, within sight of, in full sight of somebody, in plain sight, be nowhere in sight, common, familiar, regular, behold, see, witness, greet, be quite a sight, be spared the sight of something, not a pretty sight, famous, historic, see, take in, visit, have somebody/​something in, have somebody/​something within, fix, have your sights set on something, set your sights on something, set your sights high
Antonymsblindnessblindness, invisibility
Common mistakesConfused with 'sight' — 'sight' is a broader term., Misused as a verb — 'eyesight' is always a noun., Incorrectly used in plural form — 'eyesights' is not standard.'Sight' confused with 'site' (a place)., 'Sight' used as a verb (correct form is 'see')., Using 'sight' in expressions that use 'vision' instead.
Usage notesUse in medical or general contexts. Avoid in very casual situations. More common in discussions about vision health.Use 'sight' when referring to the physical act of seeing or something that is seen. It can be used formally or informally. Avoid using 'sight' when discussing metaphorical vision or insight.

See it in real clips

Eyesight
Sight

Frequently asked questions: Eyesight vs Sight

What's the difference between Eyesight and Sight?

Eyesight: The ability to see clearly Sight: The ability to see; vision.

Which is more common: Eyesight and Sight?

Sight is the most common in everyday English.

Can you show an example of each?

Eyesight: She has excellent eyesight for her age. Sight: The sight of the sunset was breathtaking, filling the sky with beautiful colors.

Can I use Eyesight and Sight interchangeably?

Not always. Eyesight and Sight are related and overlap in some contexts, but they differ in register, how common they are, and usage, so swapping one for another can change the meaning or tone. Check the differences above before substituting.

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