The clue "back up" last appeared in the Washington Post crossword on June 27, 2025. The correct answer for this puzzle is "CLOG", a 4-letter word.
Solution CLOG is our most searched for solution by our visitors. Solution CLOG is 4 letters long. We have 30 further solutions of the same word length.
There are 305 solutions. The longest is RUN INTERFERENCE FOR with 18 letters, and the shortest is GO with 2 letters.
Correct, clue "BACK UP" is currently one of the top traffic spikes (detected on 02 Dec 2025). Clearly, many find it tricky to solve!
Use our smart search feature to filter by word length. Our system organizes results by frequency and relevance. Search through millions of answers to thousands of crossword clues—for free!
Solutions are between 2 and 18 letters long.
| Clue | Answer |
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| Support; reverse (6) | |
| Support or assist (6) | |
| Save critical data (6) | |