Crossword puzzle clue "sound from a smoothly running engine or a happy kitten"

Here are the possible solutions for sound from a smoothly running engine or a happy kitten clue

Answer
Clue
Relevancy
purr
Clue
Sound from a smoothly running engine or a happy kitten
Run smoothly, as an engine
Definition
to utter a low, vibrant sound, also PUR
mew
Clue
Sound from a happy kitten
Definition
of a cat, to make a high pitched cry
hum
Clue
Run smoothly, as an engine
Definition
to make a sound like bees
purred
Clue
Ran smoothly, as an engine
Definition
PURR, to utter a low, vibrant sound, also PUR
purring
Clue
Operating smoothly, as an engine
Definition
making a sound like a cat
purrs
Clue
Runs smoothly, as an engine
Definition
PURR, to utter a low, vibrant sound, also PUR
debug
Clue
Get running smoothly, in a way
Definition
to remove the errors from a computer program

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