premature

US /ˌpriː.məˈtʃʊr/

UK /ˌpriː.məˈtʃʊr/

1.

sớm, trước

occurring or done before the usual or proper time; too early.

:

•

the sun can cause premature aging

:

untimely early before time unseasonable rash hasty precipitate precipitous impulsive impetuous ill-timed ill-considered previous

:

overdue