tighten的反义词是：loosen松开。tighten的意思是vt.使紧；勒紧；固定；vi.变紧。tighten名词:tightener；过去式:tightened；过去分词:tightened；现在分词:tightening；第三人称单数:tightens。
一、词典解释点此查看tighten的详细内容
1.抓紧;攥紧
If youtighten your grip on something, or if your griptightens, you hold the thing more firmly or securely.
e.g. Luke answered by tightening his grip on her shoulder...
卢克的回应就是把她的肩头抓得更紧了。
e.g. Her arms tightened about his neck in gratitude...
她充满感激，把他的脖子搂得更紧了。
2.绷紧，拉紧(绳、链)
If youtighten a rope or chain, or if ittightens, it is stretched or pulled hard until it is straight.
e.g. The anchorman flung his whole weight back, tightening the rope...
那个压阵队员使尽了全身力气往后拽，把绳子拉得紧紧的。
e.g. The cables tightened and he was lifted gradually from the deck.
缆绳绷紧了，他被慢慢地吊离了甲板。
3.(对…)严加控制;(使)加强控制
If a government or organizationtightens its grip on a group of people or an activity, or if its griptightens, it begins to have more control over it.
tighten的反义词
e.g. He knows he has considerable support for his plans totighten his grip on the machinery of central government...
他清楚有相当多的人支持他对中央政府机构加强控制的计划。
e.g. As the regime's grip on the mainland tightened over the next few years, hundreds of thousands more people fled south.
随着后来几年那个政权加强对大陆的控制，又有数十万人逃往南方。
4.拧紧，旋紧(螺钉、螺丝帽等)
When youtighten a screw, nut, or other device, you turn it or move it so that it is more firmly in place or holds something more firmly.
tighten的翻译
e.g. I used my thumbnail totighten the screw on my lamp...
我用拇指指甲把台灯上的螺钉拧紧了。
e.g. All the bolts were fully tightened.
所有的螺钉都拧紧了。
5.(身体局部)变僵硬，产生憋闷感，产生阻塞感
If a part of your bodytightens, the muscles in it become tense and stiff, for example because you are angry or afraid.
e.g. Sofia's throat had tightened and she couldn't speak...
索菲娅喉咙哽住了，说不出话来。
e.g. She saw his jawtighten and his face lose its colour.
她看见他的下巴绷紧，脸色煞白。
6.使(规定、政策、制度)更加严格；使更加有效
If someone in authoritytightens a rule, a policy, or a system, they make it stricter or more efficient.
e.g. The United States plans totighten the economic sanctions currently in place...
美国计划加大现有经济制裁的力度。
e.g. They have tightened security along the border...
他们加强了边境的安全工作。
7. totighten your belt -> see belt
totighten the screw -> see screw
相关词组：tighten up
二、网络解释
1. 紧：马上开船回到镇上,下船之后,马上去钟塔里面,爬上去之后,将刑具(Vise)去转紧(Tighten),将刑具套在雕像手中的手杖顶端,再将它放松(Loose). 你会看到那块封印石头(Headpiese)掉下来,将它捡起来. 下船后先朝东走,这时Edmund也出现了,
2. 变紧：tighten up 使紧密 |tighten 变紧 | tightfisted 吝啬的
3. 拉紧：tightemulsion 难破乳的乳状液 |tighten 拉紧 |tightener 紧带轮
4. 拧紧：synchronize,同步 |tighten,拧紧 | under water head condition,水压作用条件下
三、例句
He tightened his grip on her arm.
他紧抓她的手臂。
The plumber take out a wrench and tighten the bolt.
修水管的工人拿出一把扳手拧紧了螺栓。
This month we have to tighten our belts.
这个月我不得不勒紧裤腰带过日子。
While holding down on the cone, tighten the subbase screws.
用手压住漏斗，拧紧座垫固定螺丝。
If table index shafts are loose, tighten mounting bolts.
如果台面索引轴松动，拧紧固定螺栓。
This screw needs tightening.
这螺丝钉需要再拧紧些。
Controls in the city have gradually tightened.
对这个城市的控制逐渐加强。
四、词汇搭配
五、经典引文
The strings are tightened..to produce a musical note when struck.
出自：S. MateerThe illness tightened its grip.
出自：C. Eastontighten的相关近义词
stiffen、tauten、squeeze、constrict、tense、tighten up、screw、fasten、press、anchor、secure、contract、crush、compress、choke、fix、brace、telescope、screw in、screw down、make fast、lace up、tie up、firm up、close up、lock up、lock、up、firm、close、fast、tie、make、lace、together、down、force、in、reduce、constrain
tighten的相关反义词
tighten的相关临近词
tights、tight、tightener、tightening、tighten up、tighten grip、tighten city、tighten pores、Tighten screws、tighten a knot、tighten torque、tighten a rope