a. [f. TINT sb.1 + -LESS.] Having no tint or tints; devoid of color.

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1789.  E. Darwin, Bot. Gard., I. 491. The Adept … Shades with pellucid clouds the tintless field.

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1813.  T. Busby, Lucretius, I. II. 811. Tintless themselves, no colours seeds unfold.

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1878.  Fraser’s Mag., XVIII. 767. The blue heaven, as we rise into it, is mere tintless air.

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