denoting a deep inarticulate sound conveying pain, despair, pleasure, etc.

he made groaning sounds and took laboured breaths

I flopped back, making a small tortured groaning noise

denoting a low creaking sound made by an object under pressure

the pillar gave a huge groaning noise and crumbled

make a deep inarticulate sound conveying pain, despair, pleasure, etc.

Marty groaned and pulled the blanket over his head

(of an object) make a low creaking sound when pressure or weight is applied

James slumped back into his chair, making it groan