central, main, major, primary, prime, principal, real
important, special
particular, specific
greater, increased
new, renewed
clear, intense, sharp, strong
The restructuring is designed to give a sharper focus on key markets.

narrow, tight
I found the focus of the debate too narrow.

broad
exclusive, single, sole
single-minded
media
The media focus has now shifted onto something else.

mental

act as, become, remain, serve as
Cities have always acted as the principal focus of political life.

give sb/sth, provide (sb/sth with)
have
The problem with your plan is that it doesn't have a clear focus.

keep, maintain
change, move, shift, switch
The legal team tried to shift the focus onto the victim.

narrow, sharpen
broaden, expand
lose
lack
bring sth into
This case has brought the problem of drug abuse in schools into sharp focus.

come into
The question of compensation comes into focus.

direct, place, put, turn
I've directed my focus towards/toward developing my skills.

be on sb/sth, remain on sb/sth
Our primary focus this term will be on group work.

shift, turn to sth
The focus has now shifted towards/toward the problem of long-term unemployment.

focus for
She became a focus for all his anger.

focus of
the focus of my research

focus on
an increased focus on younger people

a change of focus, a shift of focus
the focus of attention
He found he was now their main focus of attention.

sharp
soft
soft-focus shots of baby animals

come into
When I got glasses suddenly the whole world came into focus.

in focus
The binoculars were not in focus.

out of focus
The children's faces are out of focus in the photograph.

especially, heavily, largely, mainly, mostly, particularly, primarily, principally
completely, entirely, exclusively, only, solely, totally
The study focuses exclusively on schools.

increasingly
fully
firmly
The attention of the news media was firmly focused on the elections.

specifically
clearly
directly
closely, intensely, sharply
narrowly
initially

need to
try to
decide to
tend to
help (to)
Think of some questions that will help focus the discussion.

on, upon
We need to focus upon the main issues.

highly focused, tightly focused
The department undertakes highly focused research.

narrowly focused
The study was criticized for being too narrowly focused.

hard, intently
automatically

try to
She blinked and tried to focus.

on, upon
The eye will automatically focus on the small group in the foreground.

Focus is used with these nouns as the subject:
attention

Focus is used with these nouns as the object:
attention, beam, binoculars, camera, effort, energy, eye, gaze, mind, spotlight, strategy