1.
up-and-coming, promising and energetic
Describes a person who is new to a field but shows exceptional talent and vigor. A four-character compound (yojijukugo) used as a complimentary expression for young professionals, artists, scholars, or athletes with bright futures.
Common patterns
A 四字熟語 (four-character compound) used almost exclusively as a の-adjective modifier before a person's title or occupation: 新進気鋭の画家 (an up-and-coming painter).
Usage
Always complimentary. Used in introductions, profiles, and media coverage to praise someone who is new but talented. Implies both newness (新進 = newly advancing) and sharp ability (気鋭 = spirited and keen).