adamantine

From Middle English adamantine, from Latin adamantinus.

• IPA^(key): /ˌæd.əˈmæn.taɪn/
• (US) IPA^(key): /ˌæd.əˈmæn.tin/, /ˌæd.əˈmæn.taɪn/, /ˌæd.əˈmæn.tɪn/

adamantine (comparative more adamantine, superlative most adamantine)

1. Made of adamant, or having the qualities of adamant; incapable of being broken, dissolved, or penetrated.

   adamantine bonds

   adamantine chains

   • 1667, John Milton, “Book I”, in Paradise Lost. […], London: […] [Samuel Simmons], […], →OCLC; republished as Paradise Lost in Ten Books: […], London: Basil Montagu Pickering […], 1873, →OCLC, lines 44–49:

     Him the Almighty Power
     Hurld headlong flaming from th' Ethereal Skie
     With hideous ruine and combustion down
     To bottomless perdition, there to dwell
     In Adamantine Chains and penal Fire,
     Who durst defie th' Omnipotent to Arms.

   • 1827, Lydia Sigourney, Poems, Missolonghi, page 187:

     Snatch, snatch those gentle forms from war's alarms,
     And throw your adamantine shield around their shrinking charms.

   • 1837, Thomas Carlyle, The French Revolution: A History […], volumes (please specify |volume=I to III), London: Chapman and Hall, →OCLC, (please specify the book or page number):

     For two hours they stand; Bouillé's sword glittering in his hand, adamantine resolution clouding his brows[.]

   • 1984, Gayle Rubin, "Thinking Sex" in Carole S. Vance, Pleasure and Danger: Exploring Female Sexuality (Boston: Routledge and Kegan Paul), 267-319.

     Sex law is the most adamantine instrument of sexual stratification and erotic persecution.

2. Like the diamond in hardness or luster.

adamantine (uncountable)

1. Synonym of adamantium

• amantadine, antamanide, diamantane

adamantine

1. feminine singular of adamantin

adamantine f pl

1. feminine plural of adamantino

adamantine

1. vocative masculine singular of adamantinus

• adamantyne, adamauntyn

From Latin adamantinus; equivalent to adamant +‎ -ine.

• IPA^(key): /adəma(u̯)nˈtiːn(ə)/, /adəˈma(u̯)ntiːn(ə)/

adamantine

1. (rare) Relating to adamant; adamantine.

• English: adamantine

• “adama(u)ntīn, adj.”, in MED Online, Ann Arbor, Mich.: University of Michigan, 2007, retrieved 2018-05-11.