odyssey
[noun]
Synonyms: journey, crusade, pilgrimage, quest, trek, voyage

[TahlilGaran] English Synonym Dictionary ▲

od‧ys‧sey /ˈɒdəsi, ˈɒdɪsi $ ˈɑː-/ noun [countable] literary
[Date: 1800-1900; Origin: The Odyssey; Odysseus]

1. a series of experiences that teach you something about yourself or about life:
a spiritual odyssey

2. a long journey with a lot of adventures or difficulties
on an odyssey
They departed Texas on a three-year odyssey that took them as far as Japan.

[TahlilGaran] Dictionary of Contemporary English ▲