Fiddle about with Definition 1 of 2Pro Tip 1/3Informal Speech Used in casual conversations, not in formal or professional settings. While waiting for their turn, they fiddled about with their phones. Pro Tip 2/3Procrastination Indicates putting off important tasks by doing trivial activities instead. Jake fiddled about with his pen instead of writing his essay. Pro Tip 3/3Time-Wasting Suggests an unproductive use of time that could be spent more wisely. She fiddled about with her notes but learned nothing new.