less -- ((comparative of `little' usually used with mass nouns) a quantifier meaning not as great in amount or degree; "of less importance"; "less time to spend with the family"; "a shower uses less water"; "less than three years old")
less -- ((usually preceded by `no') lower in quality; "no less than perfect")
less -- ((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")
Overview of adv less
The adv less has 2 senses
less, to a lesser extent -- (used to form the comparative of some adjectives and adverbs; "less interesting"; "less expensive"; "less quickly")
less -- (comparative of little; "she walks less than she should"; "he works less these days")
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