groundless

adj. 无根据的; 无理由的

grotesquely, grotesqueness, grotto, grotty, grouch, grouchy, ground, ground control, ground crew, ground floor, ground rule, ground speed, ground staff, ground swell, ground-bait, ground-nut, ground-plan, ground-rent, grounded, grounding, groundlessly, grounds, groundsel, groundsheet, groundsman, groundwork, group, group captain, group practice, group therapy, groupie, grouping, grouse, grove, grovel, groveler, grovelling, grow, grow on, grow out of,