無人機(むじんき)

むじんき
noun
unmanned aircraft; drone
1. unmanned aircraft; drone
an aircraft or vehicle that operates without a human pilot on board
無人機(むじんき)が空(そら)を飛(と)んでいる。
A drone is flying in the sky.
災害(さいがい)現場(げんば)で無人機(むじんき)が活躍(かつやく)している。
Drones are playing an active role at disaster sites.
政府(せいふ)は無人機(むじんき)の飛行(ひこう)に関(かん)する新(あたら)しい規制(きせい)を導入(どうにゅう)した。
The government introduced new regulations regarding drone flights.

Refers to any unmanned aircraft, from small consumer drones to large military vehicles. Composed of 無人(むじん) (unmanned) + 機(き) (machine, aircraft). The loanword ドローン is more common in casual conversation, while 無人機(むじんき) appears more frequently in news, government documents, and formal contexts.

COMMON COLLOCATIONS:

  • 無人機(むじんき)による攻撃(こうげき) — drone attack/strike
  • 無人機(むじんき)の飛行(ひこう) — drone flight
  • 無人機(むじんき)規制(きせい) — drone regulations
  • 小型(こがた)無人機(むじんき) — small unmanned aircraft
  • 軍事用(ぐんじよう)無人機(むじんき) — military drone

SIMILAR WORDS:

  • ドローン — drone (loanword, more casual and widely used in everyday speech)
  • 無人(むじん)航空機(こうくうき) — unmanned aerial vehicle (UAV; formal/technical synonym)
  • 遠隔操作(えんかくそうさ) — remote control (the method of operating drones)
general
Added 2026.4.21 18:13
24500/24819_mujinki