on mind

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Related to on mind: have on mind

on (one's) mind

Said when one is thinking, perhaps excessively, about someone or something. Jennie's been on my mind lately—do you know how she is? You look worried—what's on your mind?
See also: mind, on

on one's mind

Fig. occupying one's thoughts; currently being thought about. You've been on my mind all day. Do you have something on your mind? You look so serious.
See also: mind, on