2. (verb)groan, moan indicate pain, discomfort, or displeasure "The students groaned when the professor got out the exam booklets"; "The ancient door soughed when opened"
1. (verb)groan to make a long low sound We all groaned at the thought of the work to be done.; The wind groaned in the trees.
Definition of 'groan'
Webster Dictionary
1. (noun)groan 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
2. (verb)groan to giveforth a low, moaning sound in breathing; to utter a groan, as in pain, in sorrow, or in derision; to moan
3. (verb)groan to strive after earnestly, as with groans
Sense: to produce a deep sound (because of pain, unhappiness etc) He groaned when he heard that he had failed his exam; The table was groaning with food (= there was a great deal of food on it).