intransitive verb. 1 : to come to a focus. 2 : to adjust one’s eye or a camera to a particular range. Other Words from focus. focusable / -​kəs-​ə-​bəl / adjective.

noun, plural fo·cus·es, fo·ci [foh-sahy, -kahy]. a central point, as of attraction, attention, or activity: The need to prevent a nuclear war became the focus of all diplomatic efforts. Physics. a point at which rays of light, heat, or other radiation meet after being refracted or reflected.

focus

1. focus of something It was the main focus of attention at the meeting.
2. The primary focus of the book is practical teaching techniques.
3. He decided to make colour the central focus of his work.
4. focus for something His comments provided a focus for debate.

focus (verb) focused (adjective) focus group (noun)

‘Focused’ and ‘focussed’ are two spellings of the same word: Focused (one ‘s’) is the standard spelling of this term in modern English. Focussed (with a double ‘s’) is a rare variant spelling, although it is more common in British and Australian English than it is in American English.

Action Verbs

Merriam Webster lists school as a noun and a verb but not as an adjective! Merriam lists school bus as a noun. It seem that they consider these words – school days, school bus, school boy, school books – to be all open form compound word.

New also describes something that has just appeared for the first time or that is unfamiliar. New has several other senses as an adjective, adverb, and a noun. If something is new, it has only been around for a short time. This sense of new is the opposite of old.

Need is a semi-modal verb because in some ways it is like a modal verb and in other ways like a main verb. We use need mostly in the negative form to indicate that there is no obligation or necessity to do something: You needn’t take off your shoes.

adjective. necessary, required, or wanted (usually used in combination): a much-needed vacation.