1. 无所寄托的：无所不知者omniscient | 无所寄托的rootless | 无所事事的Idlefaineant

2. 无根据的：rigidly 严格地;坚硬地 | rootless 无根据的 | routines 惯常

1. 居无定所的;无固定工作的;无归属的;漂泊的
    If someone has no permanent home or job and is not settled in any community, you can describe them as rootless .

    e.g. These rootless young people have nowhere else to go.
           这些漂泊不定的年轻人没有其他地方可去。
    e.g. ...people who refused to integrate within society and instead lived rootless, jobless lives.
           那些不愿意融入社会而过着漂泊不定、没有工作的生活的人

1. wandering aimlessly without ties to a place or community

    e.g. led a vagabond life
           a rootless wanderer

    Synonym: vagabond