Skip to clue answerAll Newsday Crossword clues for November 5 2026
ABOUT THE GAME
NEWSDAY CROSSWORDNewsday
Backup power source
Newsday Crossword crossword clue & answer.
THE MISSING PIECE
Backup power source
The answer to “Backup power source” is tucked just below. Open it when you’re ready.
Reveal the answerHide the answer
Across
AUXILIARYENGINE
Use your crossing letters to check the answer, then keep your puzzle going.
A daily dose of discovery.
Newsday’s daily crossword pairs Across and Down clues in a fresh grid. Open an edition and reveal only the clue answers you need.