soar:1

verb
soar \ ˈsȯr \
14th century{ds||1|a|}
  • to fly aloft or about
  • to sail or hover in the air often at a great height : glide
  • to fly without engine power and without loss of altitude

soar:2

noun
soar \
1596{ds||1||}
  • the range, distance, or height attained in soaring
  • the act of soaring : upward flight

someone's spirits soar

idiom
someone's spirits soar \
  • —used to say someone becomes very happy and excited
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