Free from dirt, marks, or stains

• - the room was spotlessly clean

• - keep the wound clean

Having been washed since last worn or used

• - a clean blouse

(of paper) Not yet marked by writing or drawing

• - he copied the directions onto a clean sheet of paper

(of a person) Attentive to personal hygiene

• - by nature he was clean and neat

Free from pollutants or unpleasant substances

• - we will create a cleaner, safer environment

Free from or producing relatively little radioactive contamination

Morally uncontaminated; pure; innocent

• - clean living

Not sexually offensive or obscene

• - it's all good clean fun

• - even when clean, his verses are very funny

Showing or having no record of offenses or crimes

• - a clean driving license is essential for the job

Played or done according to the rules

• - it was a good clean fight

Not possessing or containing anything illegal, esp. drugs or stolen goods

• - I searched him and his luggage, and he was clean

(of a person) Not taking or having taken drugs or alcohol

Free from ceremonial defilement, according to Mosaic Law and similar religious codes

(of an animal) Not prohibited under such codes and fit to be used for food

Free from irregularities; having a smooth edge or surface

• - a clean fracture of the leg

Having a simple, well-defined, and pleasing shape

• - the clean lines and pared-down planes of modernism

(of an action) Smoothly and skillfully done

• - I still hadn't made a clean takeoff

(of a taste, sound, or smell) Giving a clear and distinctive impression to the senses; sharp and fresh

• - clean, fresh, natural flavors

(of timber) Free from knots