Word · Frequency #15137
colourless
无色的；苍白的；无血色的
having no colour; weak in colour, pale
- 1.
a lacking in variety and interest；a weak in color; not colorful
无色的；无血色的
无趣的；乏味的；单调的；无色的；无血色的；无趣味的；无特色的
In use
The colourless liquid in the bottle is actually plain water.
This gas is colourless and has a faint smell.
This filter makes the water colourless and removes the bad smell.
colourless + noun
作定语，常指没有颜色，也可引申为缺乏特色。
A colourless gas filled the room.
一种无色的气体充满了房间。
be colourless
系表结构，形容事物缺乏趣味或吸引力。
The performance was colourless and dull.
这场演出平淡乏味。
find sth colourless
find + 宾语 + 形容词，表示主观认为某事物乏味。
I find his writing colourless.
我觉得他的作品平淡无奇。
look colourless
look + 形容词，指脸色苍白或没有血色。
You look colourless; you should see a doctor.
你看起来没有血色，应该去看医生。
Common mistakes
The gas colourless.The gas is colourless.
colourless 是形容词，不能单独作谓语。汉语可以说“气体无色”，省略系动词，但英语句子必须有 be 动词，所以要用 is colourless。
The chemical colourless the solution.The chemical makes the solution colourless.
colourless 是形容词，不是动词，不能直接带宾语。表达“使……无色”时要用 make + 宾语 + colourless 结构。
Water has no colourless.Water has no colour.
have/has no 后面需要名词作宾语；colourless 是形容词，不能作宾语，应改用名词 colour。
Connections
Collocations
- colourless liquid
- 无色液体
- The bottle contained a colourless liquid that smelled faintly of alcohol.瓶子里装着一种无色液体，隐约有酒精气味。
- colourless gas
- 无色气体
- Carbon dioxide is a colourless gas at room temperature.二氧化碳在室温下是一种无色气体。
- colourless face
- 苍白的脸
- She looked in the mirror and saw a colourless face staring back.她照镜子，看到一张苍白的脸正看着自己。
- colourless personality
- 无趣的个性，缺乏特色的性格
- His colourless personality made it hard to remember him at parties.他无趣的个性使人们在聚会上很难记住他。
- colourless prose
- 单调乏味的文风
- The novel is let down by its colourless prose.这部小说因单调乏味的文风而减色。
Learner notes
Memory Tip
colour（颜色）+ less（没有）→ 没有颜色，引申为苍白、无趣。想象一杯没有颜色的白开水，平淡乏味。
Context & Register
语域：neutral 常见场景：描述液体、气体等的物理颜色属性、形容人、作品或风格缺乏趣味或特色 该词既可用于客观描述‘无色’的物理属性，也可引申指‘乏味、无特色’。两种含义都比较中性，具体意思需根据语境来判断；书面和口语中都可能出现，但引申义较常出现在评论或描述性文字中。
Grammar Note
表示‘无色的’时指透明或缺乏颜色；表示‘无趣味的’或‘无特色的’时用于人或事物。
Pronunciation & Spelling
These words share the spelling ending -less, but their final syllable is pronounced /ləs/, whereas the provided IPA for colourless is /ˈkʌləlis/ with /lɪs/; so they are spelling lookalikes rather than exact rhymes. No true rhyme is listed.
Dictionary facts from ECDICT, WIKTIONARY.