Synonyms and related words :
a bit previous, advanced, at the double, crowded, double-quick, double-time, far ahead, forward, half-baked, half-cocked, hard-pressed, hard-pushed, hard-run, hasty, hurried, ill-considered, impulsive, not firm, on the double, overhasty, oversoon, precipitate, precocious, premature, pressed, pressed for time, previous, pushed, too early, too soon, uncrystallized, unjelled, unmatured, unmeditated, unpremeditated, unprepared, unripe, untimely