Meaning of 'less'

adverb

used to form the comparative of some adjectives and adverbs

Example: "less interesting"

Synonyms: to a greater extent

adverb

comparative of little

Example: "I walk less than I should."

adjective

(nonstandard in some uses but often idiomatic with measure phrases) fewer

Example: "less than three weeks"

adjective

usually preceded by 'no', lower in quality

Example: "I was told that my essay should be no less than perfect."

adjective

(comparative of `little' usually used with mass nouns) a quantifier meaning not as great in amount or degree