相关单词近义词 unknown 未知的, vague 不明确的, indeterminate 不确定的, approximate 近似的, open-ended 无限制的, indefinite 模糊的, undecided (胜负)未决定的..., unclear 不清楚的反义词defined, 有定义的临近词under, undaunted, undefinedly, undefinedness, undefined file, undefined mode, undefined data, undefined word, undefined term, undefined label, undefined terms, undefined value相似词undaunted, undecided, undefeated, undefinable, undelete, undemanding, undemocratic, undeniable, 返回 undefined