ephemeral

adjective

1. lasting for a very short time

   B2

   usually before noun

   • "The beauty of cherry blossoms is ephemeral."B1
   • "Fame in the modern world is often ephemeral."B2
   • "The artist explored the ephemeral nature of human relationships."C1
   • "The beauty of the sunset was ephemeral."A2
   • "Many social media trends are ephemeral."B1
   • "The company enjoyed an ephemeral success before disappearing."B2

2. briefly existing or appearing, especially in a way that is hard to notice or keep

   C1
   • "Ephemeral memories of childhood came back to him."B2
   • "The artist aimed to capture the ephemeral nature of happiness."C1
   • "Some species live in ephemeral pools that appear only after rain."C1