vt to affect by groans.
2. groan ·vi to strive after earnestly, as with groans.
3. groan ·vi to give forth a low, moaning sound in breathing; to utter a groan, as in pain, in sorrow, or in derision; to moan.
4. groan ·noun a low, moaning sound; usually, a deep, mournful sound uttered in pain or great distress; sometimes, an expression of strong disapprobation; as, the remark was received with groans.