aeriform

• Adjectif désignant ce qui a la forme ou la nature de l'air ; gazeux, subtil ou éthéré, parfois aussi évanescent ou immatériel.

An obsolete adjective meaning having the form or nature of air; gaseous or ethereal.

1. Resembling airC2formal

   Having the form or nature of air; gaseous or ethereal.

   Qui ressemble à l'air

   • The substance was described as aeriform, lacking any solid structure.
   • In ancient philosophy, the soul was often considered an aeriform entity.
   • The cloud had an aeriform quality, shifting and dissolving in the wind.

   Synonymesaerialairlikeairyetherealgaseousvaporous

   Antonymesdenseliquidmaterialsolidsubstantial

2. Light and insubstantialC2formal

   Characterized by lightness and intangibility; as impalpable as air.

   Aérien, immatériel

   • His promises were aeriform, vanishing as soon as they were spoken.
   • The dream had an aeriform beauty, impossible to grasp or hold.
   • She dismissed his arguments as aeriform and lacking substance.

   Synonymesairydiaphanousetherealfilmygossamerimpalpableinsubstantialintangiblevaporousweightless

   Antonymesdenseheavysolidsubstantialtangible