Apr 27, 2026 · The meaning of LO is —used to call attention or to express wonder or surprise. How to use lo in a sentence.

The programme made great use of time-lapse photography and of the nearest available metaphor: lo, the white blanket later became 'a white duvet'.

LO definition: look! see! (frequently used in Biblical expressions; now usually used as an expression of surprise in the phraselo and behold ). See examples of lo used in a sentence.

Idiom lo and behold (Definition of lo from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

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Definition of lo exclamation in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

lo2 (lō), adj. an informal, simplified spelling of low 1, used esp. in labeling or advertising commercial products: lo calorie.

Lo definition: Used to attract attention or to show surprise.

lo (interj.) early 13c., from Old English la, exclamation of surprise, grief, joy, or mere greeting; probably merged with or influenced in Middle English by lo!, which is perhaps short for lok "look!"

From Middle English lo, loo, from Old English lā (exclamation of surprise, grief, or joy). Conflated in Middle English by lo! (interjection), a corruption of lok!, loke! ("look!") (as in lo we! (look we!)).