subterraneouslyadv.

1764 C. Meighan Treat. Nature & Powers Baths & Waters Bareges (new ed.) App. 213 Baccius cites positive examples of bitumen burning subterraneously.

1847 R. Chambers Trad. Edinb. (new ed.) 260 There is also a well to supply the house with water, besides a secret stair, represented as communicating subterraneously with a neighbouring alley.

1890 Hardwicke's Sci.-gossip 26 73 At no great depth beneath London and the south-eastern counties there lay the continuation subterraneously of the chain of hills represented by the Mendips in the West of England, and the Ardennes of Belgium.

1917 J. Buchan Battle of Somme (new ed.) v. 159 The four successive German lines were so skilfully linked up subterraneously that they formed virtually a single line.

1985 B. Neal Southern Cooking 175 After the flowers are fertilized, they wither to the ground and bury themselves; the seedpods mature subterraneously.

2003 Sunday Tasmanian (Nexis) 30 Mar. 28 An empty Lake George—waiting..for another lake in central Africa to empty, its water flowing subterraneously around the world to fill Lake George.

1791 E. Sayer Essays 154 The French confusion..was brought about by false sentiments, silently and subterraneously instilled into the minds of the illiterate multitude.

1823 I. D'Israeli Curiosities of Lit. 2nd Ser. III. 349 He winded the duke circuitously,—he worked at him subterraneously.

1833 T. Hook Parson's Daughter II. xi. 226 From the elder Miss Lovell to her brother, this news was thus as it were subterraneously conveyed.

1856 T. De Quincey Let. Nov. in ‘H. A. Page’ T. De Quincey: Life & Writings (1877) II. 123 What more, then, was it, my dear girls, that you were subterraneously seeking?

1912 A. Harrison in Eng. Rev. Mar. 676 It is a force growing subterraneously.

1988 M. Spark Far Cry from Kensington vi. 66 It is surprising how many people believe subterraneously in destiny.

2008 Africa News (Nexis) 24 Nov. He could subterraneously orchestrate and fund an ongoing campaign to discredit the Speaker of the Federal House of Representatives.