天てん井じょう知しらず

noun which may take the genitive case particle 'no', na-adjective, noun

skyrocketing; ceilingless; unbounded

Describes prices, values, or abstract measures that seem to rise without limit. Often used in economic or figurative contexts.

• この地ち域いきの地ち価かは天てん井じょう知しらずだ。

  Land prices in this area are skyrocketing without any ceiling.

• 彼かれの欲よくは天てん井じょう知しらずで、いくら稼かせいでも満まん足ぞくしない。

  His greed knows no bounds; no matter how much he earns, he is never satisfied.