Noun: The central point of attention, interest, or activity. "The focus of today's lesson is vocabulary."
Verb: To concentrate attention or effort on something. "You need to focus on your reading."
Meaning and Usage
Focus is an essential B1-level word in English with both noun and verb uses. As a verb, it means to direct your attention or effort toward a particular thing. As a noun, it refers to the main subject, point, or aim of something. The word comes from Latin focus meaning "hearth" or "fireplace" — the central gathering point of a home.
In everyday English, focus commonly appears in phrases like "focus on", "in focus", and "out of focus". It is widely used in academic, professional, and personal contexts.
Example sentences: "She found it hard to focus in the noisy classroom." / "The main focus of the report was energy costs." / "The photograph was slightly out of focus."
Focus in Use
| Context | Example sentence | Form |
|---|---|---|
| Academic | The essay focuses on the causes of climate change. | Verb |
| Daily life | I need to focus — please stop talking. | Verb |
| Business | Our main focus this quarter is customer service. | Noun |
Common Mistakes
Mistakes to Avoid
She focused in her homework all evening.
She focused on her homework all evening. (always "focus on", not "focus in")
The focus of the meeting were the new targets.
The focus of the meeting was the new targets. ("focus" is singular — use singular verb)
I can't focus myself with all this noise.
I can't focus with all this noise. ("focus" is not reflexive — no "myself" needed)