圏外(けんがい)

けんがい
noun
out of range; out of service area; no signal
technology
1. out of range; out of service area; no signal
Being outside the coverage area where a mobile phone can receive signal.
山(やま)の中(なか)で圏外(けんがい)になった。
I lost signal in the mountains.
ここは圏外(けんがい)だから電話(でんわ)ができない。
I can't make calls here because there's no signal.
トンネルの中(なか)で圏外(けんがい)になって、通話(つうわ)が切(き)れてしまった。
I lost signal in the tunnel and the call got disconnected.
2. outside the sphere; out of scope
Figuratively, being outside a certain area or scope of concern.
その問題(もんだい)は私(わたし)の関心(かんしん)の圏外(けんがい)だ。
That issue is outside my sphere of concern.
彼(かれ)にとって流行(りゅうこう)は全(まった)くの圏外(けんがい)らしい。
Apparently, trends are completely outside his sphere of interest.
そんな細(こま)かいことは社長(しゃちょう)の関心(かんしん)の圏外(けんがい)にあるから、自分(じぶん)たちで決(き)めよう。
Details like that are outside the president's interest, so let's decide ourselves.

Etymology

圏(けん) (sphere, area) + 外(がい) (outside)

Phone display

When a phone has no signal, the screen typically shows 「圏外(けんがい)」 where the signal bars would normally be.

Related words

Common collocations

  • 圏外(けんがい)になる - to go out of range
  • 圏外(けんがい)で〜できない - can't ~ because out of range

Related Words

Antonym: 圏内(けんない) (within range)
Compare: 場外(じょうがい) (outside the venue)
Compare: 通話圏(つうわけん) ((mobile phone) coverage area)
Related: 通信圏(つうしんけん) (coverage area)
general
Added 2026.1.21 8:30 · Revised 2026.9.2 13:01
07500/07689_kengai