Crossword Answer hums

Here are all the crossword puzzles and clues where the answer hums appeared.

Clue
Puzzle
Date
Sings to oneself
Universal
Oct 5, 2024
Vocalizes an earworm, in a way
USA Today
Apr 26, 2024
Beehive sounds
Universal
Apr 8, 2024
Drones
Wall Street Journal
Oct 25, 2023
Goes "mmm mmm mmm mmm," maybe
Universal
Aug 23, 2023
Sings without words
Universal
Aug 18, 2023
Plays a kazoo, perhaps
New Yorker
Jul 21, 2023
Sings without singing
USA Today
May 17, 2023
Hive emanations
The Atlantic
May 11, 2023
Purrs, as an engine
New York Times
Mar 28, 2023
Sings without opening the mouth
Daily Themed Crossword Mini
Feb 25, 2023
Sings with closed lips
USA Today
Feb 9, 2023
Runs smoothly
Universal
Feb 4, 2023
Works smoothly
Newsday
Jan 15, 2023