Windex noun 2verb 1forms 3 noun2 •A window cleaner containing detergent and ammonia. •An arrow-shaped indicator of wind direction installed in mast-top. verb1 •To clean (a glass surface) using a cleaning product of this kind.But if change has come into her life as Mrs Sailen Kumar, it has seeped in so gradually that she can’t fix it with one admiring stare when she Windexes toothpaste flecks off the bathroom mirror. — 1985 formsWindexed · Windexing · Windexes