1. 适当的;合适的;恰当的
    Something that is appropriate is suitable or acceptable for a particular situation.

appropriate在线翻译

    e.g. It is appropriate that Irish names dominate the list...
           名单上大部分是爱尔兰名字，这没什么不合适的。
    e.g. Dress neatly and attractively in an outfit appropriate to the job...
           着装要整洁美观，适合于这份工作。

2. 私占；侵吞；盗用；挪用
    If someone appropriates something which does not belong to them, they take it, usually without the right to do so.

appropriate的反义词

    e.g. Several other newspapers have appropriated the idea...
           另外有几家报社已盗用了这个创意。
    e.g. The land was simply appropriated by the rulers.
           土地完全被统治者霸占。

3. 拨出（专款）
    If a government or organization appropriates an amount of money for a particular purpose, it reserves it for that purpose.

    e.g. Senator Lugar is skeptical that Congress will appropriate more funding for this purpose.
           参议员卢格怀疑国会是否会拨出更多资金用于此目的。