1. not in sharp focus; blurred or unclear
Usage: photography; optics
2. lacking concentration or clear direction
Usage: figurative

1. past tense and past participle of defocus; made blurred or out of focus

Examples

• The photograph was defocussed and difficult to make out.
• His defocussed approach to studying led to poor grades.
• The camera lens became defocussed after the fall.
• She felt defocussed and unable to concentrate on her work.
• The director deliberately defocussed the background in the shot.
• His thoughts seemed defocussed after the long meeting.
• The microscope image appeared defocussed until we adjusted it.