From The Collaborative International Dictionary of English v.0.48 [gcide]:
focused \focused\ adj. [Also spelled focussed.]
1. being in focus or brought into focus; clearly delineated;
-- of an image. Opposite of unfocused.
[WordNet 1.5]
2. converging on a point; -- of light rays; as, focused light
rays can set something afire.
[WordNet 1.5]
3. concentrated on or clustered around a central point or
purpose.
Syn: centered, centred, centralized.
[WordNet 1.5]
From The Collaborative International Dictionary of English v.0.48 [gcide]:
focussed \focussed\ adj.
1. same as focused (in all senses).
Syn: focused.
[WordNet 1.5] focusing
From WordNet (r) 3.0 (2006) [wn]:
focussed
adj 1: being in focus or brought into focus [syn: focused,
focussed] [ant: unfocused, unfocussed]
2: (of light rays) converging on a point; "focused light rays
can set something afire" [syn: focused, focussed]