a. poetic. rare. [f. CONQUER v. + -LESS.] Not to be conquered, invincible.

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1595.  Markham, Sir R. Grinvile, lv. (Arb.), 57. Which seeming conquerlesse, did conquests lend.

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1868.  Augusta Webster, trans. Medea, 13. Her passionate conquerless soul.

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