Open English Wordnet
Adjectives
(a)prematureborn after a gestation period of less than the normal time“a premature infant” (s)previous, prematuretoo soon or too hasty“our condemnation of him was a bit previous”,
“a premature judgment” (s)premature, untimelyuncommonly early or before the expected time“illness led to his premature death”,
“alcohol brought him to an untimely end”