Free from dirt or filth; unsoiled or unstained: the usual opposite of dirty or foul. Now the ordinary sense.

Free from dirt or stains; clean, fresh; cf. foul, adj. 4a. Also of paper: unused, blank. Now rare (archaic in later use).

Desirable, good; decent; clean, free from dirt, filth, etc.; bright, clear. Obsolete.

Clean: as clothes, or the like. (Possibly the sense may sometimes have been clean-looking.)

Not marked with spots; free from any spot or stain.

Without blot or stain; pure, immaculate.

Not physically spotted or stained. Now dialect.

Free from spots or stains; not marked with, or disfigured by, spots or blemishes.

Clean; free from dirt or impurities. Also with from. Also figurative. Obsolete.

(un-, prefix1 affix 2.)

Not stained or (dis)coloured; spotless, clean, pure.

Without stain, spot, or blemish. literal.

Unsullied, unaffected by; clear, free from (a defect, flaw, stain, weakness).

Not soiled or dirtied. Also in figurative context.

Not rendered foul or dirty. Also figurative.

(un-, prefix1 affix 2.)

Void of dirt.

Spotlessly clean; perfectly neat and tidy.

figurative. Spotless, stainless.

(un-, prefix1 affix 2.)

(un-, prefix1 affix 2.)

Free from specks of dirt, dust, etc.; scrupulously or spotlessly clean. Also in figurative context.

Very good or fine; smart. Also spandy-clean, quite clean; spandy-bright, spandy new.

(un-, prefix1 affix 2.)

Free from soil or stain.

Without a smudge, clean.

Bare and functional, like a hospital.

(of hair, etc.) washed and rinsed so clean that it squeaks; completely clean; frequently figurative, above criticism, beyond reproach.