Function: verb
Inflected Form: fo · cused also fo · cussed ; fo · cus · ing also fo · cus · sing
Date: 1775
transitive verb
1 a : to bring into focus b : to adjust the focus of (as the eye or a lens)
2 : to cause to be concentrated < focus ed their attention on the most urgent problems>
3 : to bring (as light rays) to a focus : CONCENTRATE
intransitive verb
1 : to come to a focus : CONVERGE
2 : to adjust one's eye or a camera to a particular range
3 : to concentrate attention or effort
– fo · cus · able \ -k ə -s ə -b ə l \ adjective
– fo · cus · er noun