groan about someone or something
to complain about someone or something. What are you groaning about? She is groaning about her work.
groan something out
to say something with a groan. He groaned the name out. He groaned out the name of his assailant before he passed out.
groan under something
1. Lit. to groan while bearing a heavy burden. He groaned under the weight of the trunk. The rafters groaned under the heavy weight of the pianos.
2. Fig. to suffer under a burden. For years, the people had groaned under the cruel ruler. England groaned under the rule of Cromwell just as he had groaned under King Charles.
groan with something
to groan because of something, such as pain. She groaned with pain, but no one helped her. I think the old man was groaning with boredom more than anything else.