very near in space or time
He walked into the room, closely followed by his dog.
having a close family connection
The two species are closely related and share many traits.
having a strong link or connection
The two events are closely connected and influence each other.
very involved with someone or something
The team worked closely with experts to develop the new technology.
with great care and attention
Doctors are closely monitoring the patient's condition.
very similar to someone or something
The two teams are closely matched in skill and experience.
won or likely to be won by a very small amount
It was a closely contested race with a very close finish.
with very little space between
The text was closely printed with no gaps between lines.
cut very short, near to the skin
He had a closely shaved head that felt smooth to touch.