meaningful的解释，在云词典中meaningful是什么意思？

meaningful

['mi:niŋful]
adj.
意味深长的

A meaningful linguistic unit consisting of a word, such as man, or a word element, such as-ed in walked, that cannot be divided into smaller meaningful parts.
语素一种含有一个单词的有意义的语言单位，如人或一词素，如－ed在单词walked中，不能被划分为更小的有意义单位
A meaningful relationship, discussion, look
有用意的关系、讨论、表情
A play, film, television program, or other narrative work that portrays or depicts calamitous events and has an unhappy but meaningful ending.
悲剧式作品刻画或描写灾难性事件的剧作、电影、电视节目或其它叙事作品，有不幸的但意味深长的结局
Meaningful letters or characters that constitute readable matter.
文字记载可以阅读材料的有意义的字母或符号
That statement is not very meaningful.
那项声明没有多大意义。