1. having a shape like a wave or moving up and down like a wave
   • ● undulating countryside/fields/terrain/ground
   • ● The land is gently undulating.
   • ● undulating flight/movement/motion
   • ● an undulating form/shape/surface
   Collocations: Undulating is used with these nouns:

   • hill

[TahlilGaran] English Dictionary ▲