| Main Entry: | |
| Part of Speech: | noun |
| Definition: | light part of every 24 hours |
| Synonyms: | astronomical day, bright, dawn-to-dark, daylight, daytime, diurnal course, early bright, light, light of day, mean solar day, nautical day, sidereal day, sunlight, sunrise-to-sunset, sunshine, working day |
| Antonyms: | evening, night |
| Main Entry: | age |
| Part of Speech: | noun |
| Definition: | a period of time |
| Synonyms: | aeon, blue moon, century, date, day, duration, epoch, era, generation, interim, interval, life, lifetime, millennium, span |
| Notes: | epoch applies to the beginning of a new period marked by radical changes and new developments - while era applies to the entire period; age denotes a period identified with some dominant personality or characteristic and period pertains to any portion of time |
| Main Entry: | date |
| Part of Speech: | noun |
| Definition: | point in time; particular day or time |
| Synonyms: | age, century, course, day, duration, epoch, era, generation, hour, juncture, moment, period, quarter, reign, span, spell, stage, term, time, while, year |
| Main Entry: | daylight |
| Part of Speech: | noun |
| Definition: | light part of 24 hours |
| Synonyms: | aurora, dawn, day, daybreak, daytime, during the day, light, light of day, sunlight, sunrise, sunshine |
| Antonyms: | darkness, evening, night, sunset |
| Main Entry: | era |
| Part of Speech: | noun |
| Definition: | time period in history |
| Synonyms: | aeon, age, cycle, date, day, days, eon, epoch, generation, stage, term, time |
| Main Entry: | generation |
| Part of Speech: | noun |
| Definition: | era; age group |
| Synonyms: | aeon, breed, contemporaries, crop, day, days, eon, epoch, peers, period, rank, span, step, time, times |
| Main Entry: | heyday |
| Part of Speech: | noun |
| Definition: | prime |
| Synonyms: | acme, culmination, day, height, high point, high spot, peak, pinnacle, prime time, salad days, time, zenith |
| Antonyms: | low point |
| Main Entry: | life |
| Part of Speech: | noun |
| Definition: | existence, duration |
| Synonyms: | being, career, continuance, course, cycle, days, endurance, epoch, era, expectancy, extent, generation, history, length, life span, lifetime, longevity, orbit, period, pilgrimage, record, season, span, survival, time |
| Main Entry: | lifetime |
| Part of Speech: | noun |
| Definition: | span of animate being's existence |
| Synonyms: | all one's born days, career, continuance, course, cradle to grave, days, endurance, existence, life, life span, natural life, period, time |