untappableadj.

Brit.

/(ˌ)ʌnˈtapəbl/, U.S.

/ˌənˈtæpəb(ə)l/

Origin: Formed within English, by derivation. Etymons: un- prefix¹, tap v.¹, -able suffix; un- prefix¹, tappable adj.

Etymology: Partly (in sense 1) < un- prefix¹ + tap v.¹ + -able suffix, and partly (in sense 2) < un- prefix¹ + tappable adj.

1. Of a method of (chiefly telephonic or electronic) communication: that cannot be eavesdropped upon; secure.

ΚΠ

1902 Marine Engineer Apr. 3/1 Wireless telegraphy with secret code or untappable communications.

1949 Washington Post 17 Apr. ii. 1/2 Communist agents inside the Ministry of Communications use its untappable telephone lines to transmit secret directives.

1979 C. McCarry Better Angels ii. ii. 115 ‘I found that a computer out there..knew some things that only our computer was supposed to know.’.. ‘But I thought our equipment was untappable.’

2010 Australian (Nexis) 9 Feb. 31 The technology uses one-time pad encryption in real-time, offering high-speed and untappable communications.

2. Of a resource: that cannot be accessed or exploited.In early use with specific reference to the process of rubber tapping.

ΚΠ

1909 Trop. Agriculturalist (Ceylon) 32 192/1 The use of the pricker causes the formation of lumps on the renewed surface and makes it untappable.

1952 N.Y. Times 22 Feb. 1/7 Hoarded European gold at present untappable by governments borrowing on their own national credit.

1983 Econ. & Polit. Weekly 12 Mar. 392/3 This [sc. international commercial lending] is a source of finance virtually untappable by this group of countries.

2015 Sunday Times (Nexis) 1 Nov. (Business section) 9 Fracking..involves blasting apart shale rock to free previously untappable reservoirs below ground.

This entry has been updated (OED Third Edition, June 2018; most recently modified version published online December 2021).

单词	untappable
释义	untappableadj. Brit. /(ˌ)ʌnˈtapəbl/, U.S. /ˌənˈtæpəb(ə)l/ Origin: Formed within English, by derivation. Etymons: un- prefix¹, tap v.¹, -able suffix; un- prefix¹, tappable adj. Etymology: Partly (in sense 1) < un- prefix¹ + tap v.¹ + -able suffix, and partly (in sense 2) < un- prefix¹ + tappable adj. 1. Of a method of (chiefly telephonic or electronic) communication: that cannot be eavesdropped upon; secure. ΚΠ 1902 Marine Engineer Apr. 3/1 Wireless telegraphy with secret code or untappable communications. 1949 Washington Post 17 Apr. ii. 1/2 Communist agents inside the Ministry of Communications use its untappable telephone lines to transmit secret directives. 1979 C. McCarry Better Angels ii. ii. 115 ‘I found that a computer out there..knew some things that only our computer was supposed to know.’.. ‘But I thought our equipment was untappable.’ 2010 Australian (Nexis) 9 Feb. 31 The technology uses one-time pad encryption in real-time, offering high-speed and untappable communications. 2. Of a resource: that cannot be accessed or exploited.In early use with specific reference to the process of rubber tapping. ΚΠ 1909 Trop. Agriculturalist (Ceylon) 32 192/1 The use of the pricker causes the formation of lumps on the renewed surface and makes it untappable. 1952 N.Y. Times 22 Feb. 1/7 Hoarded European gold at present untappable by governments borrowing on their own national credit. 1983 Econ. & Polit. Weekly 12 Mar. 392/3 This [sc. international commercial lending] is a source of finance virtually untappable by this group of countries. 2015 Sunday Times (Nexis) 1 Nov. (Business section) 9 Fracking..involves blasting apart shale rock to free previously untappable reservoirs below ground. This entry has been updated (OED Third Edition, June 2018; most recently modified version published online December 2021). < adj.1902
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