Meanings
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1
adv
To a smaller degree; not as much.
I walk less than I should.
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2
adv
Used to form the comparative of adjectives and adverbs, meaning not as.
This book is less interesting than the last one.
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3
det
A smaller amount of something.
Try to eat less sugar.
Thesaurus
Etymology
Adverb From Middle English les, lesse, leasse, lasse, from Old English lǣs (“smaller, less”), from Proto-Germanic *laisiz, from Proto-Indo-European *leys- (“to shrink, grow thin, be gentle”). Cognate with Old Frisian lēs (“less”), Old Saxon lēs (“less”). According to Kroonen (2013), from a northern Indo-European root Proto-Indo-European *leh₂is- or *leh₃is-, which he connects to Lithuanian liesas (“lean”). Determiner and preposition from Middle English lees, lesse, leasse, lasse, from Old English lǣssa (“less”), from Proto-Germanic *laisizan-, from Proto-Germanic *laisiz (“smaller, lesser, few…