"interfering" in the verb sense
1. interfere
come between so as to be hindrance or obstacle
"Your talking interferes with my work!"
2. intervene, step in, interfere, interpose
get involved, so as to alter or hinder an action, or through force or threat of force
"Why did the U.S. not intervene earlier in WW II?"
"interfering" in the adjective sense
1. interfering, meddlesome, meddling, officious, busy, busybodied
intrusive in a meddling or offensive manner
"an interfering old woman"
"bustling about self-importantly making an officious nuisance of himself"
"busy about other people's business"
Source: WordNet® (An amazing lexical database of English)
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