This is the 12706th most frequent Russian word.
костлявых
"Костлявых" means "bony" or "skinny" in English, often referring to someone or something thin with prominent bones.
In this sentence, 'костлявых' describes dogs that are unusually thin or emaciated, using the adjective in its descriptive form.
Я избегаю костлявых собак на улице.
I avoid bony dogs on the street.
Here, 'костлявых' metaphorically describes the thin and skeletal-like arms, enhancing the imagery.
Портрет старика был как образ костлявых рук судьбы.
The old man's portrait was like an image of the bony arms of fate.
The word 'костлявых' is utilized to characterize imaginary figures as thin or skeletal in a possibly eerie or unsettling context.