Synonyms of premature in English:

premature


See US English definition of premature

See UK English definition of premature

See Spanish definition of prematuro

adjective

1‘Jenks' term of office was cut short by his premature death’

SYNONYMS
untimely, early, too soon, too early, before time
archaic unseasonable
ANTONYMS

overdue

2‘a premature baby’

SYNONYMS
preterm
informal prem
North American informal preemie
ANTONYMS

overdue, late

3‘she felt that such a step would be premature’

SYNONYMS
rash, overhasty, hasty, too soon, precipitate, precipitous, impulsive, impetuous, ill-timed, ill-considered
informal jumping the gun, previous