-даю, -даёшь; повел. наддавай; деепр. наддавая.
Несов. к наддать.
наддава́ть
Увеличивать скорость или силу какого-л. действия.
добавлять, прибавлять
"He has achieved success who has worked well, laughed often, and loved much." Elbert Hubbard
"Honest disagreement is often a good sign of progress." Mahatma Gandhi
"Sweet mercy is nobility's true badge." William Shakespeare
"It is better to know some of the questions than all of the answers." James Thurber