bigwheel (adjective) influential: effective, powerful
Sinonime: catlike, catty, clandestine, covert, crafty, cunning, enigmatic, feline, furtive, hush-hush, noiseless, private, secret, shifty, silent, skulking, slinking, slinky, sly*, sneak, sneaky, sub-rosa, surreptitious, under wraps, undercover, underhand, wily
Antonime: ineffective,
ineffectual,
unimportant, uninfluential, unmoving,
weak