cryptologicaladj.n.
/ˌkrɪptəˈlɒdʒᵻkl/, U.S. /ˌkrɪptəˈlɑdʒək(ə)l/ A. adj.
1. Of or relating to secret communication; enigmatic, cryptic. Cf. cryptology n. 1. Now rare.
ΚΠ
1653 H. Moseley in Ld. Brouncker tr. R. Descartes Excellent Compend. Musick To Rdr. sig. b2 The Cryptological Musick, whereby the secret Conceptions of the mind may be, by the Language of inarticulate Sounds, communicated to a Friend, at good distance.
1827 Hyde Nugent II. ii. 58 The various scraps of conversation peculiar to the place, cryptological to all but sporting men.
1853 Boston Med. & Surg. Jrnl. 14 Sept. 132 The cryptological nomenclature of Prof. Lowig.
1922 M. McC. Read tr. P. de Tourtoulon Philos. in Devel. of Law ii. xv. 550 It has been possible to term the style of judicial opinions cryptological, through the fact that it conceals the thought of the judge instead of revealing it.
2. Of or relating to cryptology (cryptology n. 2); written in code or cipher; = cryptographical adj.
ΘΚΠ
the mind > mental capacity > knowledge > secrecy, concealment > code, cipher > [adjective] > of the nature of cryptography
polygraphical1588
steganographical1588
cryptographical1653
cryptographal1663
cryptographic1790
cryptological1868
polygraphic1878
cryptologic1899
1868 Daily Cleveland (Ohio) Herald 1 June Some curious facts in regard to cryptological advertisements and the means of deciphering them.
1882 W. J. Gordon tr. J. Verne Giant Raft Pt. 2: Cryptogram xix. 228 As the words appeared by the institution of the true letters for the cryptological ones, he divided and punctuated them, and then read it out in a loud voice.
1965 James Joyce Q. 2 172 I have tried to..speculate on the probability of a cryptological message in Finnegans Wake.
1991 Japan Forum 3 243 Another correspondent argued that he had failed to find any significant evidence of Italian cryptological success.
2010 Guardian (Nexis) 15 Feb. 10 Turing..was disqualified from continuing secret cryptological work for the state.
B. n.
With the. That which relates to cryptology; the use of code or cipher. rare.
ΘΚΠ
the mind > mental capacity > knowledge > secrecy, concealment > code, cipher > [noun] > art of using
steganography1569
cryptography1646
cryptological1839
cryptology1844
1839 Monthly Mag. Jan. 110 The Cryptographer of course understands secret characters,..and we shall doubtless be called upon to explain many an enigma, and..deal a little, occasionally, in the Cryptological ourselves.
2002 C. Gere Digital Culture i. 34 Perhaps the most visible cultural manifestation of interest in the cryptological is the development of the detective story.
This is a new entry (OED Third Edition, June 2011; most recently modified version published online March 2022).
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adj.n.1653