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Related to on mind: have on mind
on (one's) mind
In one's thoughts. Jennie's been on my mind lately—do you know how she is? You look worried—what's on your mind?
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
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.
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.