lowlight noun 2verb 1forms 3 noun2 •A particularly unfavorable or mediocre moment or aspect.He is not commenting on Dick Cheney’s marksmanship lowlights here. — 2007 •In hairstyling, a highlight in a darker color rather than a lighter one. verb1 •To dye (part of the hair) a darker color than the rest. formslowlighted · lowlighting · lowlights