an act or instance of falling back.

something or someone to turn or return to, esp. for help or as an alternative

His teaching experience would be a fallback if the business failed.

Also, fall-back. of or designating something kept in reserve or as an alternative

The negotiators agreed on a fallback position.

verb

forge , forward , progress

verb

back , draw back , give back , recede , recoil , retire , retrocede , retrograde , surrender , withdraw , yield , fall