Of water: clean, pure; (of another liquid) clear, not cloudy. Formerly also of colour: †bright, pure, not dull or muddy (obsolete).

Undefiled; unfouled.

Not mixed or adulterated; clean, clear, refined; spec. (a) not mixed with any other substance or material; free from admixture or adulteration…

(un-, prefix1 affix 2)

Not made foul or impure; undefiled.

Clean, pure, untainted; refreshing, invigorating, pleasantly cooling. Of a smell or taste: giving a refreshing impression to the senses.

Of a liquid: free from turbidity or impurity, clear; (formerly also) †undiluted (obsolete). Also of the air: pure, fresh.

without filth; undefiled, clean.

Free from taint; without stain or blemish; immaculate, clean, pure, innocent.

Comparable to a virgin in respect of purity or freedom from stain; pure, unstained, unsullied. In early use in figurative context.

Not affected by any physical taint.

Undeflowered. Also figurative. Unsullied.

Not polluted; pure, clean, uncontaminated.

Containing no germs or bacteria; totally clean, hygienic, or sanitary.

attributive or adj. Virgin, unsullied.

Free from micro-organisms. Now often of surgical instruments, etc. = sterilized adj. at sterilize, v. derivatives.

Not liable to putrefy, non-putrescent.

Of something natural: unspoilt by human interference, untouched; pure. (In quot. 1910 as n.)