1. backup - Noun
2. backup - Adjective
3. backup - Verb
a musical part (vocal or instrumental) that supports or provides background for other musical parts
the act of providing approval and support
(computer science) a copy of a file or directory on a separate storage device
someone who takes the place of another (as when things get dangerous or difficult)
an accumulation caused by clogging or a stoppage
Source: WordNetIf you buy a DVD you have a copy. If you want a backup copy you buy another one. Jack Valenti
Always have a backup plan. Mila Kunis
Having Plan B is good. But if your obsessed with Plan A, u'll never need backup. Become Obsessed with ur goals, ur focus will bring results. Keshia Chante
What did Isabelle want?" Jace asked. Alec hesitated. "Isabelle says the Queen of the Seelie Court has requested an audience with us." "Sure," said Magnus. "And Madonna wants me as a backup dancer on her next world tour. Cassandra Clare
Sure. And Madonna wants me as a backup dancer on her next world tour. Cassandra Clare
I'm kind of a low-key guy. The spotlight doesn't suit me. I'm more of a side dish--cole slaw or French fries or a Wham! backup singer. Haruki Murakami