sit out

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• verb idiomatic To decline to participate; particularly, to decline to dance.
• verb idiomatic To not participate.
• verb nautical To lean out to the windward side of a sailboat in order to counterbalance the effects of the wind on the sails.
• verb To escape a hold while face-down by swinging one's legs around into the sitting position.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• verb endure to the end
• verb not participate in (an activity, such as a dance or a sports event)