from The American Heritage® Dictionary of the English Language, 4th Edition
- intransitive v. To voice a deep, inarticulate sound, as of pain, grief, or displeasure.
- intransitive v. To make a sound expressive of stress or strain: floorboards groaning.
- transitive v. To utter or express with groans or a groan.
- n. The sound made in groaning.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A low, mournful sound uttered in pain or grief.
- n. A low, guttural sound uttered in frustration or disapproval.
- v. To make a groan.
from the GNU version of the Collaborative International Dictionary of English
- intransitive v. To give forth a low, moaning sound in breathing; to utter a groan, as in pain, in sorrow, or in derision; to moan.
- intransitive v. To strive after earnestly, as with groans.
- transitive v. To affect by groans.
- n. A low, moaning sound; usually, a deep, mournful sound uttered in pain or great distress; sometimes, an expression of strong disapprobation.
from The Century Dictionary and Cyclopedia
- To breathe with a deep murmuring sound expressive of grief or pain; utter a deep, low-toned, moaning sound: often used figuratively.
- To long or strive with deep earnestness, and as if with groans.
- To express disapproval of or to silence by means of groans: usually with down: as, the speaker was groaned down.
- n. A low, deep, mournful sound uttered in pain or grief; figuratively, any natural sound resembling this, and having a mournful or dismal effect.
- n. A deep murmuring sound uttered in derision or disapprobation: opposed to cheer or applause.
- n. The noise made by a buck at rutting-time.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. an utterance expressing pain or disapproval
- v. indicate pain, discomfort, or displeasure
Middle English gronen, from Old English grānian.(American Heritage® Dictionary of the English Language, Fourth Edition)