anemic looking from illness or emotion; "a face turned ashen"; "the invalid's blanched cheeks"; "tried to speak with bloodless lips"; "a face livid with shock"; "lips...livid with the hue of death"- Mary W. Shelley; "lips white with terror"; "a face white with rage"
(nonstandard in some uses but often idiomatic with measure phrases) fewer; "less than three weeks"; "no less than 50 people attended"; "in 25 words or less"
(usually preceded by `no') lower in quality; "no less than perfect"
used to form the comparative of some adjectives and adverbs; "less interesting"; "less expensive"; "less quickly"
comparative of little; "she walks less than she should"; "he works less these days"