bald

(verb) grow bald; lose hair on one's head. Example: "He is balding already."

(adj) with no effort to conceal. Synonyms: barefaced. Example: "A barefaced lie."

(adj) lacking hair on all or most of the scalp. Synonyms: bald-headed, bald-pated. Examples: "A bald pate." "A bald-headed gentleman."

(adj) without the natural or usual covering. Synonyms: denuded, denudate. Examples: "A bald spot on the lawn." "Bare hills."