space out verb3 •To position (objects, people, time slots, etc.) at regular intervals with a calculated space between them.She spaced out the yoga mats as much as she could while leaving room for some walkways.She spaced out her scheduled events as much as she could while leaving time for question-and-answer sessions. •(old-fashioned) To increase the white space between letters, words or lines. •To become distracted or disoriented; to lose attention or focus.She spaced out when the speaker started droning about the fine-print details of convertible debentures. formsspaced out · spacing out · spaces out