hum haw (verb) hem and haw: hesitate
Sinonime: bulky,
burdensome, clunker, clunking, clunky, cumbrous,
embarrassing, galumphing, heavy, hefty, incommodious,
inconvenient, leaden, massive,
oppressive, ponderous,
tiresome, unhandy, unmanageable, unwieldy, wearisome, weighty
Antonime: graceful