meddle

v.

1. To interfere in others' affairs

   intermeddle, interpose, interfere, obtrude, interlope, intervene, pry, snoop, impose oneself, infringe, break in upon, advance upon, make it one's business, abuse one's rights, push in, chime in, force an entrance, encroach, intrude, be officious, obstruct, impede, hinder, encumber, busy oneself with, come uninvited, tamper with, inquire, be curious, stick one's nose in*, crash the gates*, monkey with*, bust in*, muscle in*, barge in*, worm in*, have a finger in*, fool with*, butt in*, horn in*; see also interrupt 2.

   Antonyms neglect*, ignore*, let alone.

2. To handle others' things

   tamper, molest, pry, fool with, trespass, snoop, nose, dabble in, use improperly, monkey with*.