focus

/ˈfoʊ.kəs/
concentration of attention

She needs to focus on her studies to pass the exam.

She must concentrate on her studies to succeed.


general

The center of interest or activity; a point of concentration

The camera's focus was sharp and clear.

The camera captured a clear and precise image.

Can refer to both physical and mental concentration.

general

To concentrate one's attention or effort on a particular task or subject

He focused on solving the problem step by step.

He concentrated on solving the problem methodically.

Often used with 'on' to specify the object of focus.

Collocations

focus onconcentrate onlose focusbecome distractedin focusclear and sharp

Related Phrases

out of focusphrase
not clear or sharp
keep your eye on the ballidiom
stay focused on the main goal

Pro Tip

Verb Usage

When using 'focus' as a verb, remember to include 'on' to specify what you are concentrating on.

Gold Rule

Preposition Rule

Always use 'on' after 'focus' when specifying the object of concentration.

Word Origin

From Latin 'focare', meaning 'to hearth, fire', related to 'focus' as the center of heat or light.

Usage Notes

Can be used as both a noun and a verb. As a verb, it often takes the preposition 'on' to specify the object of focus.

Word Breakdown

foc
center, hearth
root
+
-us
related to
suffix
English Dictionary