- 1with the head first and the rest of the body following synonym head first She fell headlong into the icy pool.
- 2without thinking carefully before doing something The government is taking care not to rush headlong into another controversy.
- 3quickly and without looking where you are going He ran headlong into a police car. Word OriginMiddle English headling (from head + the adverbial suffix -ling), altered in late Middle English by association with -long.
headlong
adverbBrE BrE//ˈhedlɒŋ//; NAmE NAmE//ˈhedlɔːŋ//, NAmE//ˈhedlɑːŋ//
Check pronunciation: headlong
