To headlong into something is to go straight into it without thinking about the consequences. When you headlong into a river, you are risking your life.
He headlonged into the water and was swept away.
The project headlonged into disaster when the budget was cut.
adjective
with the head foremost
Synonyms:
adverb
in a hasty and foolhardy manner
Synonyms:
adverb
at breakneck speed
Synonyms:
adjective
excessively quick
Synonyms:
1
He jumped headlong into the hobby.
2
The servant went headlong into the water.
3
Sen plunged headlong into the freedom struggle.
4
The man ran headlong into the police car.
5
Baby Francesco and the servant went headlong into the water.
6
Horatio walks headlong into a trap and is shot by the son.
7
He was last seen riding headlong into the enemy lines.
8
The fleet faces headlong wings for six straight days.
9
This headlong and unsuccessful measure were rescinded the next day.
10
In the headlong rush to buy houses, many people got into debt.