“Sir __ Newton”
This clue appeared as Down in the Newsday Crossword on Tuesday, February 24, 2026. The answer has 5 letters.
Where this clue has appeared
May 10, 20265 letters→Newsday Crossword
Apr 27, 20265 letters→Newsday Crossword
Mar 10, 20265 letters→Newsday Crossword
Feb 24, 20265 letters→Newsday Crossword
Nov 4, 20255 letters→Newsday Crossword
Jun 9, 20255 letters→Newsday Crossword
May 27, 20255 letters→Newsday Crossword
Jan 28, 20255 letters→
About this clue
The clue “Sir __ Newton” ran in the Newsday Crossword on February 24, 2026 as Down. Its answer is a 5-letter word that starts with I and ends with C, with 3 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 February 24, 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 “Sir __ Newton” clue?+
The answer is ISAAC (5 letters), from the Newsday Crossword of February 24, 2026.
Where has this clue appeared?+
We have seen it 8 times in the Newsday Crossword, most recently on February 24, 2026.
How do I find other Newsday Crossword answers?+
Open the full list of answers for February 24, 2026, or browse every date on the Newsday Crossword hub.