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general::
see MAKE IT, def. 3. make light of Also, make little of. Treat as unimportant, as in He made light of his allergies, or She made little of the fact that she'd won. The first term, which uses light in the sense of "trivial," was first recorded in William Tyndale's 1526 Bible translation (Matthew 22:5), in the parable of the wedding feast, where the invited guests reject the king's invitation: "They made light of it and went their ways." The variant dates from the early 1800s. For an antonym, see MAKE MUCH OF.
American Heritage Idioms