tearaway
1. [ adjective ] characterized by undue haste and lack of thought or deliberation
Synonyms: impetuous impulsive madcap brainish hotheaded
Examples:

"a hotheaded decision" "liable to such impulsive acts as hugging strangers" "an impetuous display of spending and gambling" "madcap escapades" (`brainish' is archaic)

Related terms: archaism incautious
2. [ noun ] (British) a reckless and impetuous person
Related terms: daredevil UK
Similar spelling:   tear_away
  Terra
  Tarawa
  terry
  teary