1. travel or flight beyond Earth’s atmosphere, especially to other planets or celestial bodies

Examples

• The first human spaceflight was achieved by Yuri Gagarin in 1961.
• NASA’s spaceflight program has sent astronauts to the International Space Station.
• Private companies are now developing commercial spaceflight opportunities.
• The spaceflight lasted six months before the crew returned to Earth.
• Advances in technology have made spaceflight safer and more reliable.
• She dreamed of becoming an astronaut and participating in spaceflight missions.