distracted
Definitions
Unable to concentrate or focus due to being preoccupied by other thoughts or external stimuli.
Having one's attention drawn away from a primary task or subject.
Examples
I found it hard to focus on my work because I was constantly distracted by the noise outside.
She became distracted during the lecture and missed the most important part of the presentation.
Synonyms
preoccupied absent-minded inattentive diverted scatterbrained unfocused daydreaming
Antonyms
focused attentive concentrated alert mindful observant engrossed