planetary

• Relatif aux planètes ou à une planète, ou qui concerne l'ensemble des planètes. Peut aussi désigner ce qui a une ampleur ou une portée à l'échelle d'une planète.

Relating to or belonging to a planet or planets.

1. Relating to planetsB2formalscientific

   Of or relating to the physical or orbital characteristics of a planet or the planets.

   planétaire

   • The spacecraft is studying planetary orbits.
   • Planetary scientists analyze data from Mars rovers.
   • The planetary alignment was visible last night.

   Synonymesastronomicalcelestialcosmicorbital

2. Relating to EarthB2formalscientific

   Of or relating to the planet Earth or its inhabitants.

   planétaire (relatif à la Terre)

   • We must consider the planetary impact of climate change.
   • The conference focused on planetary health and sustainability.
   • Human activity has a significant planetary effect.

   Synonymesearthlytelluriantelluricterreneterrestrial

3. Erratic or wanderingC1formal

   Having no fixed course; moving unpredictably.

   errant ou vagabond

   • His thoughts were planetary, drifting from one idea to another.
   • The old man's planetary gaze wandered across the room.
   • Her planetary behavior made it hard to follow her logic.

   Synonymeserranterraticitinerantnomadicrovingunsettledunstablevagrantwandering

   Antonymesconstantfixedpredictablesettledstablesteadfast

4. Global in scopeC1formal

   Involving the entire world; not limited or provincial in scope.

   Planétaire (à l'échelle mondiale)

   • The pandemic is a planetary crisis requiring global cooperation.
   • We need a planetary perspective to solve environmental issues.
   • The treaty aims for planetary peace and security.

   Synonymesglobalinternationaluniversalworldwide