形容詞 meaningful:

1. having a meaning or purpose

1. That statement is not very meaningful.
   那項(xiàng)聲明沒(méi)有多大意義。
2. A play, film, television program, or other narrative work that portrays or depicts calamitous events and has an unhappy but meaningful ending.
   悲劇式作品刻畫(huà)或描寫(xiě)災(zāi)難性事件的劇作、電影、電視節(jié)目或其它敘事作品，有不幸的但意味深長(zhǎng)的結(jié)局
3. 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.
   語(yǔ)素一種含有一個(gè)單詞的有意義的語(yǔ)言單位，如人或一詞素，如－ed在單詞walked中，不能被劃分為更小的有意義單位
4. She felt her works are meaningful when she saw the unaffected delight of the children.
   當(dāng)她看到孩子們自然流露出的喜悅時(shí)，她感到自己的工作很有意義。

mean.ing.ful

adj.（形容詞）
Having meaning, function, or purpose.
有意思的，有意圖的，有目的的
Fraught with meaning; significant:
富有意味的；意味深長(zhǎng)的：
例句：
A meaningful glance.See Synonyms at expressive
意味深長(zhǎng)的一瞥參見(jiàn) expressive

【引伸】
mean.ingfully
adv.（副詞）
mean.ingfulness
n.（名詞）