1. In an impressive manner
   "the students progressed impressively fast"
   - imposingly

See also: impressive

Antonym: unimpressively

• genus Centropristis
• genus Centropus
• genus Centrosema
• genus Centunculus
• genus Cephalanthera
• genus Cephalopterus
• genus Cephalotaxus
• genus Cephalotus
• genus Cepphus
• genus Cerapteryx
• genus Cerastes
• genus Cerastium
• genus Ceratitis
• genus Ceratodus
• genus Ceratonia
• genus Ceratopetalum
• genus Ceratophyllum
• genus Ceratopogon
• genus Ceratopteris
• genus Ceratosaurus
• genus Ceratostomella
• genus Ceratotherium
• genus Ceratozamia
• genus Cercidiphyllum
• genus Cercidium