developing or happening before the natural or proper time
born or happening after less than the usual period of time inside the mother's body
"a premature infant"
"our condemnation of him was a bit previous"
"a premature judgment"
"illness led to his premature death"
"alcohol brought him to an untimely end"
The white in her hair is premature.
出自： J. Cheever
Freud was regretful about his friend's premature death.
出自： P. Gay