1.
useful tool; convenient device; sharp instrument
A handy implement or technology that makes work easier. Most often appears in the set phrase 文明の利器 (the conveniences of civilization).
スマホは文明の利器だ。
The smartphone is a convenience of modern civilization.
洗濯機は家事を楽にする利器だ。
The washing machine is a handy device that makes housework easier.
文明の利器に頼りすぎると、不便な状況に弱くなる。
If you rely too much on the conveniences of civilization, you become helpless in inconvenient situations.
Compound of 利 (benefit, sharpness) + 器 (implement). Somewhat literary; in everyday use it almost always appears in the fixed phrase below.
COMMON COLLOCATIONS:
- 文明の利器: the conveniences of civilization (technology, gadgets)
- 最新の利器: the latest convenient device
SIMILAR WORDS:
- 道具: tool; implement — the ordinary, neutral word for any tool
- 器具: apparatus; appliance — a specific piece of equipment for a purpose