lax

形容词 lax:

1. lacking in rigor or strictness
   同义词：slack
2. pronounced with muscles of the tongue and jaw relatively relaxed (e.g., the vowel sound in `bet')
3. not taut or rigid; not stretched or held tight
4. lacking in strength or firmness or resilience
   同义词：flaccid, limp, slack
5. emptying easily or excessively
   同义词：loose

lax

adj.（形容词）
lax.er,lax.est
Lacking in rigor, strictness, or firmness.See Synonyms at negligent
不严格的：缺少精力的、不严格或不结实的参见 negligent
Not taut, firm, or compact; slack.See Synonyms at loose
松弛的：不紧、不严密或不坚实的；放松的参见 loose
Loose and not easily retained or controlled. Used of bowel movements.
不易控制的：松弛的并且不容易保持或控制的。用于排便
Linguistics Pronounced with the muscles of the tongue and jaw relatively relaxed, as the vowele in let.
【语言学】 松弛元音的：舌头和下颚肌肉比较放松时发出的，如元音e 在 let 中的发音

来源：
Middle English
中古英语
from Latin laxus [loose, lax] * see slôg-
源自 拉丁语 laxus [松的，松懈的] *参见 slôg-

【引伸】
laxa.tion
n.（名词）
lax.ly
adv.（副词）
lax.ness
n.（名词）