untopped adjective3 •Not covered with a topping.In a Paris pizzeria, I watched rounds of pliable, untopped pizza dough get tossed into a very hot wood-burning oven and emerge puffed up, to be sprinkled simply with olive oil and salt. — 2000 •Not having had the top cut off.Recently, there is commercial interest in planting trellised, untopped trees for earlier production in slow-growing regions such as the Western Cape. — 2010 •Unsurpassed.