cleanest
 clean的最高級


 Clean a. [Compar. Cleaner superl. Cleanest.]
 1. Free from dirt or filth; as, clean clothes.
 2. Free from that which is useless or injurious; without defects; as, clean land; clean timber.
 3. Free from awkwardness; not bungling; adroit; dexterous; as, a clean trick; a clean leap over a fence.
 4. Free from errors and vulgarisms; as, a clean style.
 5. Free from restraint or neglect; complete; entire.
    When ye reap the harvest of your land, thou shalt not make clean riddance of corners of thy field.   --Lev. xxiii. 22.
 6. Free from moral defilement; sinless; pure.
    Create in me a clean heart, O God.   --Ps. li. 10
    That I am whole, and clean, and meet for Heaven   --Tennyson.
 7. Script. Free from ceremonial defilement.
 8. Free from that which is corrupting to the morals; pure in tone; healthy. “Lothair is clean.”
 9. Well-proportioned; shapely; as, clean limbs.
 A clean bill of health, a certificate from the proper authority that a ship is free from infection.
 Clean breach. See under Breach, n., 4.
 To make a clean breast. See under Breast.