Synonyms for Lifetime:

• adj.

  •durable (adjective)
  • durable,
  • enduring,
  • eternal,
  • everlasting,
  • incessant,
  • interminable,
  • lasting,
  • lengthy,
  • lifelong,
  • livelong,
  • long,
  • long-life,
  • perennial,
  • perpetual,
  • prolonged.

• n.

  •
  • coexistence,
  • existential,
  • history.
  •
  • existence,
  • life expectancy,
  • span,
  • universe.
  •age (noun)
  • age,
  • duration,
  • eon,
  • epoch,
  • era,
  • generation,
  • lastingness,
  • longevity,
  • oldness,
  • time.
  •life (noun)
  • history.
  •lifelong (noun)
  • permanent.
  •lifetime (noun)
  • life,
  • lifespan.
  •point of time (noun)
  • century,
  • day,
  • decade,
  • hour,
  • microsecond,
  • millennium,
  • millisecond,
  • minute,
  • month,
  • second,
  • semester,
  • term,
  • week,
  • year.
  •span of animate being's existence (noun)
  • career,
  • continuance,
  • course,
  • days,
  • endurance,
  • existence,
  • life,
  • time,
  • life span,
  • period,
  • all one's born days,
  • cradle to grave,
  • natural life.

• Other synonyms:

  •
  • coexistence,
  • existential.
  •
  • life expectancy,
  • universe.
  •
  • span.
  •
  • existence.
  •
  • history.
  •
  • thing.
  •Other relevant words:
  • able,
  • accrue,
  • acquire,
  • afterlife,
  • alive,
  • aliveness,
  • animation,
  • apparition,
  • arise,
  • arrive,
  • background,
  • be born,
  • become,
  • beget,
  • benign,
  • biography,
  • birth,
  • bring about,
  • career,
  • cause,
  • cheerful,
  • coexistence,
  • come,
  • come into being,
  • constant,
  • continuance,
  • continuation,
  • cottage,
  • courage,
  • course,
  • create,
  • date,
  • days,
  • derive,
  • develop,
  • durability,
  • endurance,
  • engender,
  • ensue,
  • existence,
  • existential,
  • extraneous,
  • forcible,
  • foreign,
  • generate,
  • genial,
  • get,
  • ghost,
  • give birth,
  • good,
  • grow,
  • happen,
  • hard,
  • healthy,
  • hereafter,
  • heyday,
  • history,
  • immature,
  • immortality,
  • intense,
  • life,
  • life expectancy,
  • life history,
  • life story,
  • lifespan,
  • livelihood,
  • liveliness,
  • living,
  • lunation,
  • lusty,
  • materialize,
  • Month Of Sundays,
  • mood,
  • moon,
  • obtain,
  • originate,
  • past,
  • peculiar,
  • permanent,
  • phantom,
  • potent,
  • prime,
  • proceed,
  • quarter,
  • residence time,
  • robust,
  • solid,
  • span,
  • spirit,
  • sprightliness,
  • stable,
  • steady,
  • strange,
  • strong,
  • thing,
  • ultimate,
  • uncooked,
  • uncultured,
  • unfamiliar,
  • universe,
  • unripe,
  • untamed,
  • viability,
  • vitality,
  • vivacity,
  • world,
  • yield,
  • During,
  • Quinquennium,
  • Spriteliness,
  • give rise to,
  • lifestyle,
  • life span,
  • life-time,
  • animal spirits,
  • all one's born days,
  • being alive,
  • come into existence,
  • cradle to grave,
  • for life,
  • having life,
  • natural life,
  • life's duration,
  • period of existence,
  • serviceable life,
  • amount of time.

Antonyms for Lifetime:

• n.

  • span of animate being's existence
    end.