- premature
- premature, untimely, forward, advanced, precocious are comparable though rarely interchangeable when they mean unduly early in coming, happening, or developing.Premature applies usually to something which takes place before its due or proper time{
a premature birth
}{a premature announcement or comes into existence before it is fully grown or developed or ready for presentation
}{a premature baby
}{a premature conclusion
}or to actions or persons that manifest overhaste or impatience{I have been a little premature, I perceive; I beg your pardon— Austen
}Untimely usually means little more than unseasonable but when it is applied to something which comes or occurs in advance of its due or proper time, it approaches very close to premature in meaning; the term, however, applies not so often to what begins a life or outward existence before its proper time as to what ends or destroys a life, a season, or a growing or developing thing before it has run its normal, natural, or allotted course{untimely falling of fruit from a tree
}{the untimely death of the son and heir
}{the untimely frosts that brought summer's beauty to an end
}{whose harvest . . . perished by untimely blight— Brontë
}Forward applies chiefly to young living things or to growing crops, but also sometimes to seasons, that show signs of progress beyond those that are normal or usual for things of its kind at the time in question{an unusually forward spring
}{a child very forward in mental development for his age
}Advanced tends to supplant forward when by comparison with other persons, other growing things, or other seasons of the same kind or class the one so described is notably ahead of the others{the most advanced children in the school
}{conflict between the economic interests of the advanced and backward peoples— Hobson
}Precocious basically implies an exceptional earliness in development (as in the germinating of seeds, the flowering of plants, the occurring of a process, or especially in the maturing of the mind){inhibition of precocious germination of seeds— Chronica Botanica
}{a precocious youth bursting with ideas— Henry Miller
}The term is also applied to qualities, conditions, or circumstances which properly belong to maturity but come or belong to one who is otherwise immature{his precocious dignities were hard for youth to support without arrogance— Buchan
}{Shaw is dramatically precocious, and poetically less than immature— T. S. Eliot
}Analogous words: *immature, unmatured, unripe, unmellow: abortive, fruitless (see FUTILE): *precipitate, hasty, sudden, abruptAntonyms: matured
New Dictionary of Synonyms. 2014.