To regress; to slip backwards or revert to a previous, worse state. / To shirk responsibility; to renege on one's obligations or commitments.

A backward regression; a reverting back to a worse state.

present participle of backstab

The act of one who backstabs.

Relating to, or situated in the area behind a stage. / Secret, concealed from the public.

Towards the area behind the stage. / Out of view of the public.

The area behind a stage out of view of the audience where performers wait to give their show; especially that of the dressing rooms. / The private portion of the space used by a business or enterprise.

present participle of backslap

action of the verb to backslap

Spin applied to a ball in order to slow it, change its flight, or stop it when it lands. / (music) Synonym of spinback