| Main Entry: | |
| Part of Speech: | adjective |
| Definition: | earlier in occurrence than anticipated |
| Synonyms: | a bit previous, abortive, early on, embryonic, forward, green*, immature, incomplete, inopportune, overearly, oversoon, precipitate, predeveloped, previous, raw*, soon, unanticipated, undeveloped, unfledged, unripe, untimely |
| Antonyms: | backward, delayed, late, mature, overdue |
| Main Entry: | early |
| Part of Speech: | adjective |
| Definition: | sooner than expected |
| Synonyms: | advanced, ahead of time, anticipative, anticipatory, before appointed time, beforehand, direct, immature, immediate, matinal, on short notice, on the dot, overearly, oversoon, preceding, precipitant, precocious, preexistent, premature, previous, prompt, pronto, punctual, quick, seasonable, soon, speedy, unanticipated, unexpected, untimely |
| Antonyms: | later |
| Main Entry: | forward |
| Part of Speech: | adjective |
| Definition: | advancing, early |
| Synonyms: | ahead, forth, forward-looking, in advance, leading, onward, precocious, premature, progressing, progressive, propulsive, well-developed |
| Antonyms: | backward, later, past, reversing |
| Main Entry: | immature |
| Part of Speech: | adjective |
| Definition: | young, inexperienced |
| Synonyms: | adolescent, baby, babyish, callow, childish, crude, green*, half-grown, imperfect, infantile, infantine, jejune, juvenile, kid, kidstuff, premature, puerile, raw, sophomoric, tender*, tenderfoot, underdeveloped, undergrown, undeveloped, unfinished, unfledged, unformed, unripe, unseasonable, unseasoned, unsophisticated, untimely, wet behind ears, youthful |
| Antonyms: | adult, developed, experienced, grown, mature, old |
| Main Entry: | precocious |
| Part of Speech: | adjective |
| Definition: | exceptionally smart, ahead of age in understanding |
| Synonyms: | advanced, aggressive, ahead of time, beforehand, bold, brassy, bright, cheeky*, cocky*, developed, early, flip*, flippant, forward, fresh, intelligent, mature, nervy, premature, presumptuous, pushy, quick, sassy*, smart-alecky |
| Antonyms: | stupid |
| Main Entry: | rash |
| Part of Speech: | adjective |
| Definition: | careless, impulsive |
| Synonyms: | adventurous, audacious, bold, brash, daring, determined, devil-may-care, fiery, foolhardy, frenzied, furious, harebrained, hasty, headlong, headstrong, heedless, hotheaded, ill-advised, ill-considered, immature, impetuous, imprudent, incautious, indiscreet, injudicious, insuppressible, irrational, jumping to conclusions, madcap, overhasty, passionate, precipitant, precipitate, premature, reckless, thoughtless, unguarded, unthinking, unwary, venturesome, venturous, wild |
| Notes: | rash (the adjective) suggests imprudence and lack of forethought; reckless implies disregard of possible consequences |
| Antonyms: | careful, cautious, planned, thoughtful |
| Main Entry: | untimely |
| Part of Speech: | adjective |
| Definition: | inappropriate |
| Synonyms: | a bit previous, abortive, anachronistic, awkward, badly timed, bright and early, disagreeable, early, early bird, early on, ill-timed, improper, inauspicious, inconvenient, inexpedient, inopportune, intrusive, malapropos, mistimed, out-of-date, overearly, oversoon, premature, previous, soon, too early, too late, undue, unfavorable, unfit, unfortunate, unlucky, unpropitious, unseasonable, unseemly, unsuitable, unsuited, wrong |
| Antonyms: | appropriate, opportune, timely |
| Main Entry: | ill-considered |
| Part of Speech: | adjective |
| Definition: | rash |
| Synonyms: | adventurous, audacious, bold, brash, daring, determined, devil-may-care, fiery, foolhardy, frenzied, furious, harebrained, harum-scarum, hasty, headlong, headstrong, heedless, hotheaded, ill-advised, immature, impetuous, improvident, imprudent, impulsive, incautious, indiscreet, injudicious, insuppressible, irrational, jumping to conclusions, madcap, overhasty, passionate, precipitant, precipitate, premature, reckless, slapdash, temerarious, thoughtless, unconsidered, unguarded, unthinking, unwary, venturesome, venturous, wild |
| Main Entry: | precipitant |
| Part of Speech: | adjective |
| Definition: | rash |
| Synonyms: | adventurous, audacious, bold, brash, daring, determined, devil-may-care, fiery, foolhardy, frenzied, furious, harebrained, harum-scarum, hasty, headlong, headstrong, heedless, hotheaded, ill-advised, ill-considered, immature, impetuous, improvident, imprudent, impulsive, incautious, indiscreet, injudicious, insuppressible, irrational, jumping to conclusions, madcap, overhasty, passionate, precipitate, premature, reckless, slapdash, temerarious, thoughtless, unconsidered, unguarded, unthinking, unwary, venturesome, venturous, wild |