¦ adjective
1. full of incessant or frantic activity.
2. Medicine, archaic affected by or denoting a recurrent fever typically accompanying tuberculosis, with flushed cheeks and hot, dry skin.
¦ noun Medicine, archaic a hectic fever or flush.
Derivatives
hectically adverb
Origin
ME etik, via OFr. from late L. hecticus, from Gk hektikos 'habitual'.