If someone tells you "bon voyage!" they mean have a good trip. Voyage means trip in French but in English, we use it to mean a long journey.

Though voyage is usually used literally to mean a long and exciting journey or a trip that involves sailing such as a cruise, it can be used figuratively as well. Researching your family tree might become a voyage of self-discovery, taking you places you don't expect and teaching you more about yourself than you thought possible.

Definitions of voyage

n a journey to some distant place

a voyage across a body of water (usually across the Atlantic Ocean)
space travel, spacefaring, spaceflight
a voyage outside the Earth's atmosphere
Type of:
journey, journeying
the act of traveling from one place to another

n an act of traveling by water

ocean trip
cruise, sail
an ocean trip taken for pleasure
maiden voyage
the first voyage of its kind
Type of:
seafaring, water travel
travel by water

v travel on water propelled by wind or by other means

navigate, sail
navigate in space
sail or travel about for pleasure, relaxation, or sightseeing
Type of:
journey, travel
undertake a journey or trip

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