相关单词同义词gratuitous, 近义词 idle 无目的, fallacious 使人误解的, baseless 无根据的, unfounded 无事实根据的..., unwarranted 无根据的, unsupported 没有支柱的, unjustified 不合理的, unsubstantiated 无事实根据的..., wild 野生的临近词groundup, ground, ground monitor, ground parking, ground-plane, ground network, ground jamming, grounding mode, ground leakage, ground garbage, grounded drain, grounding test相似词Groundhog Day, groundhopper, groundhopping, grounding, groundnut, groundout, groundsheet, groundskeeper, 返回 groundless