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) The meaning of LO is —used to call attention or to express wonder or surprise. How to use lo in a sentence. This disambiguation page lists articles associated with the title Lo. If an internal link incorrectly led you here, you may wish to change the link to point directly to the intended article. Lo (Travis Birkett), a very creepy creation, is like a giant crawling worm with arms and sharp teeth. While he's supposedly enslaved by Roberts' spell, he spends most of the time teasing Roberts, trying to tempt him outside of his protective pentagram. Define lo. lo synonyms, lo pronunciation, lo translation, English dictionary definition of lo. interj. Used to attract attention or to show surprise. American Heritage® Dictionary of the English Language, Fifth Edition. Lo usually gives the adjective an abstract quality (as above). It can also refer to a thing, but el is more common in this case, e.g. el / lo blanco de los ojos (“the white of the eye”). The programme made great use of time-lapse photography and of the nearest available metaphor: lo, the white blanket later became 'a white duvet'. What does LO stand for? LO abbreviation. Define LO at AcronymFinder.com. The word lo functions primarily as an interjection, capturing attention or emphasizing surprise. However, in its informal use as an abbreviation of low, it can function as an adjective or part of a compound modifier.