jamming up (verb) prohibit: make impossible; stop
Sinonime: Lilliputian, bitsy, bitty, diminutive, dwarf, infinitesimal, insignificant, itsy-bitsy, itty-bitty, little, microscopic, midget, mini, miniature, minikin, minimum, minuscular, minuscule, minute, negligible, pee-wee, petite, pint-sized, pocket, pocket-size, puny, pygmy, slight, teensy, teensy-weensy, teeny, trifling, wee, yea big
Antonime: allow,
favor,
permit,
push