ぬくぬく
ぬくぬく
adverb
snugly warm, comfortably
1.
snugly warm, cozily
Comfortably warm, often in a sheltered environment.
2.
living in comfort without hardship
Living an easy life without experiencing difficulties (often with slight negative nuance).
ぬくぬく is an onomatopoeia describing cozy warmth or comfortable living.
SENSE 1 - PHYSICAL WARMTH:
SENSE 2 - SHELTERED LIFE (often negative):
VERBAL USE:
ぬくぬくする: to be cozy, to snuggle up
CONTRAST:
Note: Sense 2 can carry a critical nuance, implying someone is too comfortable and hasn't experienced real difficulties.