noun.
One who meddles; one who interferes or busies himself with things in which he has no personal or proper concern; an officious person; a busybody.
the GNU version of the Collaborative International Dictionary of English
noun.
One who meddles; one who interferes or busies himself with things in which he has no concern; an officious person; a busybody.
noun.
One who meddles or interferes in something not of their concern.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
noun.
an officious annoying person who interferes with others
Word Usage
"So a process that involves such meddling by a competent meddler is conceivable but I do not believe that natural forces alone would generate cells on a lifeless planet."