Crossword clue
“Backup power source”
This clue appeared as Across in the Newsday Crossword on Thursday, November 5, 2026. The answer has 15 letters.
Answer · 15 lettersFirst appearance
AUXILIARYENGINELetters15
Starts withA
Ends withE
Vowels8
Where this clue has appeared
About this clue
The clue “Backup power source” ran in the Newsday Crossword on November 5, 2026 as Across. Its answer is a 15-letter phrase that starts with A and ends with E, with 8 vowels, which often points to a phrase, a name or a borrowed word.
See every answer from the puzzle on the Newsday Crossword page for November 5, 2026, or learn how clues like this work in our guide to crossword clue types.
More clues from this puzzle
FAQ
What is the answer to the “Backup power source” clue?+
The answer is AUXILIARYENGINE (15 letters), from the Newsday Crossword of November 5, 2026.
Where has this clue appeared?+
We have seen it 1 time in the Newsday Crossword.
How do I find other Newsday Crossword answers?+
Open the full list of answers for November 5, 2026, or browse every date on the Newsday Crossword hub.