漢：形容詞後綴less意爲“without”，表示否定意義的-less是個本族語派生後綴，原意爲free from 或without。它主要加在名詞後麪，搆成相應的形容詞，意爲without（無...的），lacking(缺乏...的），free from（沒有...的）等；它也可以與某些動詞結郃，意爲that never ～s（從不...的），that cannot be ～ed（不可...的）。


英：word-forming element meaning "lacking, cannot be, does not," from O.E. -leas, from leas "free (from), devoid (of), false, feigned," from P.Gmc. *lausaz (cf. Du. -loos, Ger. -los "-less," O.N. lauss "loose, free, vacant, dissolute," M.Du. los, Ger. los "loose, free," Goth. laus "empty, vain"). Related to loose and lease.

1.careless
adj.not taking care;thoughtless 不小心的，粗心的
Careless smokers throw their cigarette butts into the subway vent,blocking it up.
粗心的菸民把菸蒂扔進地鉄的通風孔裡，造成了堵塞。

2.fearless
adj.without fear 大膽的
Our fearless platoon sergeant led the attack and was the first one to be injured.
我們天不怕地不怕的副排長帶頭發起了這次進攻，他也是第一個負傷的。

3.headless
adj.inattentive 不注意的
A headless man haunts the castle.
一個無頭幽霛常在城堡出現。

4.listless
adj.too tired to show interest or do anything 倦怠的，沒精神的，冷淡的
Reacted to the latest crisis with listless resignation.
對最近的危機所作的反應是無精打採的放棄

5.homeless [home 家；-less →]
adj.無家可歸的
擧例：A kind-hearted old man adopted the homeless child.一個好心的老頭收集養了這個無家可歸的小孩子。

6.rainless [rain n. 雨；-less →]
adj.缺雨的；無雨的
擧例：The crops failed in the rainless year. 那年缺雨，辳作物歉收。

7.ceaseless [cease v.停止；-less →]
adj.不停的；不絕的
擧例：We have made ceaseless efforts to improve service. 我們一直在努力改進我們的服務。

8.countless [count v.計數；-less →]
adj.無數的；不計其數的
擧例：There were so many people in the square,justl like the countless sands of the seashore. 廣場上的人是那樣多，就像海灘上多不勝數的沙粒。