To eliminate extraneous things or information, as in "It's time to declutter your life." This can apply to cleaning up a room or location, but can also apply to cleaning up
computer files or removing unnecessary information from your brain or even a specific discussion. It is often used in a
loose way to refer to eliminating unnecessary stressors from your life/situation, like someone
talking about decluttering their life by breaking up with a significant other. It can also be spelled with a hyphen: de-clutter (decluttered, decluttering).
We need to declutter our
basement before we buy anything else.
We are decluttering our basement.
I really need to
break up with Joey and declutter my life.
It's time to declutter your
hard drive.