to divert, redirect, or alter by disturbing.
to confuse a quiet, constant state or a calm, continuous flow, in particular: thoughts, actions or liquids.
to have a negative emotional impact; to cause emotional distress or confusion.
To cease to behave in a consistent and/or rational manner.
To lose sight of an important objective or principle; to act contrarily to one's own interests through concentrating on relatively unimportant matters.
Used other than figuratively or idiomatically: see lose, plot.