GRIE'VOUSLY, adverb With pain; painfully; with great pain or distress; as, to be grievously afflicted. 1. With discontent, ill will or grief. 2. Calamitously; miserably; greatly; with great uneasiness, distress or grief. 3. Atrociously; as, to sin or offend grievously
Source: Webster's 1828 American Dictionary ↗ · public-domain · returned verbatim, no AI