[verb]When she tried to stand up she groaned in pain. [I]"Not again," he groaned (= said in a low unhappy voice). [+ speech]When he heard the delivery hadn't come, he groaned inwardly (= felt unhappy). [I]When wood or other material groans it makes a deep noise.The floorboards groaned as I tiptoed across them.(figurative) The table groaned under the vast assortment of foods (= there were a lot of things on it).(informal) To groan is to complain.What are you moaning and groaning about now?
GROAN
Meaning of GROAN in English
Cambridge English vocab. Кембриджский английский словарь. 2012