相關單詞同義詞invalidity, ineffectiveness, 近義詞 naught 無, nothing 沒有什麼, void 空的, nothingness 虛無, nihility 虛無臨近詞null, null-set, nulliploid, null event, null array, null width, null brush, null curve, null shift, null reply, null graph 返回 nullity