| 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 |
| Main Entry: | age |
| Part of Speech: | noun |
| Definition: | period of animate existence |
Synonyms: |
adolescence, adulthood, boyhood, childhood, dotage, elderliness, girlhood, infancy, life, lifetime, majority, maturity, middle age, milestone, old age, senility, seniority, wear and tear, youth |
| 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: | 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 |
| 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: | lifelong |
| Part of Speech: | adjective |
| Definition: | lasting |
Synonyms: |
constant, continuing, deep-rooted, enduring, for life, inveterate, lifetime, livelong, long-lasting, long-lived, long-standing, old, perennial, permanent, persistent |
Antonyms: |
short-lived, temporary, tenuous |
| Main Entry: | time |
| Part of Speech: | noun |
| Definition: | temporal length of event or entity's existence, period |
Synonyms: |
age, allotment, bit, bout, chronology, clock, continuance, date, day, duration, epoch, era, eternity, extent, future, generation, go*, hour, infinity, instance, instant, interval, juncture, lastingness, life, life span, lifetime, many a moon, moment, month, occasion, pace, past, point, present, season, second, shift, space, span, spell, stage, stint, stretch, tempo, term, tide, tour, turn, week, while, year |
| Main Entry: | years |
| Part of Speech: | noun |
| Definition: | age; old age |
Synonyms: |
agedness, caducity, dotage, elderliness, generation, lifespan, lifetime, oldness, senescence, senility |
Antonyms: |
youth |
| Main Entry: | life expectancy |
| Part of Speech: | noun |
| Definition: | period of a being's existence |
Synonyms: |
all one's natural life, expectation of life, life cycle, life span, life's duration, lifetime, longevity, period of existence |
| Main Entry: | life span |
| Part of Speech: | noun |
| Definition: | the extent of a being's life |
Synonyms: |
life cycle, life expectancy, lifetime |
| Main Entry: | month of Sundays |
| Part of Speech: | noun |
| Definition: | forever |
Synonyms: |
ages, blue moon, dog's age, eternity, indefinitely long period, lifetime, time immemorial, when pigs fly |