(imp. & p. p.) of Preoccupy.

absent absentminded absorbed absorbed in abstracted assiduous bemused besotted blind buried in buried in thought castle-building caught up in constant contemplating contemplative continuing daydreaming daydreamy deaf deep devoted devoted to diligent dogged dreaming dreamy drowsing ecstatic elsewhere enduring engaged engaged in thought engrossed engrossed in engrossed in thought faithful faraway fixated forgetful gripped half-awake held hung-up immersed immersed in immersed in thought immutable in a reverie in the clouds inalterable indefatigable indomitable industrious infatuated insensible insistent intent intent on introspective invincible involved lasting lost lost in lost in thought loyal meditating meditative monomaniac monomaniacal monopolized mooning moonraking museful musing napping never-tiring nodding oblivious obsessed obstinate occupied patient patient as Job pensive permanent perseverant persevering persistent persisting pertinacious pipe-dreaming plodding plugging possessed prepossessed rapt relentless resolute sedulous single-minded sleepless slogging somewhere else stable stargazing steadfast steady stubborn studious studying submerged in swept up taken up taken up with tenacious tireless totally absorbed transported unabating unconquerable unconscious undaunted undiscouraged undrooping unfailing unfaltering unflagging unflinching unintermitting uninterrupted unnodding unrelaxing unrelenting unremitting unsleeping unswerving untiring unwavering unwearied unwearying unwinking utterly attentive weariless woolgathering wrapped wrapped in wrapped in thought wrapped up wrapped up in