smooth
gb/smˈuð/ us/smˈuð/
A2
英語
~ 2700
語義
0件の語義
adjective
A2
property
1
having an even, flat surface
Flat and without bumps or rough parts.
用法パターン：
[something] is smooth
よくある間違い：
Learners sometimes confuse 'smooth' with 'soft', but 'smooth' refers to surface texture, not firmness.
類義語
even (Emphasizes uniformity of the surface without irregularities.)
|
flat (Focuses on levelness, often in a horizontal sense.)
対義語
rough (Has an uneven or irregular surface.)
|
bumpy (Has small raised areas, opposite of smooth.)
コロケーション
smooth surface
|smooth skin
|smooth texture
|smooth road
テーマ
daily life
|description
|materials
|daily_life
|core_vocabulary
例文
- The table has a smooth wooden surface.
- Her skin felt smooth after using the lotion.
- The lake was completely smooth in the early morning.
- The stone was worn smooth by the river.
- This fabric is incredibly smooth to the touch.
学習者向け例文
- The glass is smooth.
- My hair feels smooth today.
- This road is smooth now.
- The plate is very smooth.
adjective
B1
property
2
moving easily and evenly
Happening or moving in an easy way without problems or stops.
用法パターン：
[something] is smooth
よくある間違い：
Learners may confuse 'smooth' in this sense with 'easy', but 'smooth' here often implies physical or process flow, not just low difficulty.
類義語
effortless (Emphasizes lack of effort required.)
|
seamless (Highlights the absence of noticeable breaks or transitions.)
対義語
jerky (Moves with sudden, uneven motions.)
|
rough (Unpleasant or bumpy movement.)
コロケーション
smooth ride
|smooth transition
|smooth flight
|smooth motion
テーマ
daily life
|movement
|core_vocabulary
例文
- The elevator ride was smooth and quiet.
- We had a smooth flight with no turbulence.
- The transition between scenes was smooth.
- His movements were smooth and graceful.
- The car runs smooth even on rough roads.
学習者向け例文
- The bus ride was smooth.
- Her dance was very smooth.
- The meeting went smooth.
- Our trip was smooth.
adjective
B1
property
3
without problems or difficulties
Happening in a good way without problems.
用法パターン：
[process/event] is smooth
よくある間違い：
Learners sometimes omit '-ly' when using 'smoothly' as an adverb, causing grammar errors.
類義語
trouble-free (Completely without problems.)
|
easy-going (Relaxed and without stress, less formal.)
対義語
problematic (Full of problems or difficulties.)
|
rocky (Informal; full of difficulties.)
コロケーション
smooth process
|smooth operation
|smooth start
テーマ
daily life
|business
|work
|core_vocabulary
例文
- The launch went smoothly thanks to good planning.
- Negotiations were surprisingly smooth.
- We had a smooth start to the project.
- Everything ran smooth during the event.
- They enjoyed a smooth recovery after surgery.
学習者向け例文
- The meeting was smooth.
- Our trip was very smooth.
- The work went smooth.
- It was a smooth day at school.
adjective
B2
property
4
having a pleasant manner or style
Polite and confident in a way that is easy to like.
用法パターン：
[someone] is smooth
類義語
suave (Stylish and charming, often for men.)
|
polished (Well-mannered and refined.)
対義語
awkward (Socially uncomfortable or clumsy.)
|
rough (Lacking refinement or gentleness.)
コロケーション
smooth talker
|smooth style
テーマ
people
|communication
|core_vocabulary
例文
- He's such a smooth talker that everyone believes him.
- Her presentation was smooth and professional.
- He made a smooth introduction to the topic.
- She handled the interview questions with smooth confidence.
- They admire his smooth way of handling customers.
学習者向け例文
- He is a smooth speaker.
- She has a smooth voice.
- He gave a smooth answer.
- Her style is very smooth.
動詞
B1
action
5
make a surface even and flat
To make something flat and without bumps by pressing or rubbing it.
用法パターン：
to smooth [something]
類義語
flatten (Make flat, often by pressing down.)
|
level (Make even in height across a surface.)
対義語
roughen (Make uneven or coarse.)
コロケーション
smooth the surface
|smooth wrinkles
テーマ
daily life
|crafts
|work
|daily_life
例文
- She smoothed the wrinkles out of her dress.
- Use sandpaper to smooth the wood before painting.
- He smoothed his hair with his hand.
- The baker smoothed the icing on the cake.
- She smoothed the paper onto the board.
学習者向け例文
- I smoothed my shirt.
- He smoothed the cake icing.
- She smoothed her hair.
- We smoothed the floor with sandpaper.
文法
辞書形
smooth
IPA
GB/smˈuð/
US/smˈuð/
音節・強勢
smooth （1音節）
Stress on 1st syllable (smooth)
活用形
Adjective
- Base: smooth
- Comparative: smoother
- Superlative: smoothest
Verb
- Base: smooth
- 3rd Person Singular: smoothes, smooths
- Present Participle: smoothing
- Past: smoothed
- Past Participle: smoothed
関連語
表現
smooth sailing
1/smˈuð sˈeɪlɪŋ/
idiom
progress without problems after starting something
When things are going well and there are no problems after you start something.
例文
- After we solved the initial issues, it was all smooth sailing from there.
- Once you learn the basics, driving becomes smooth sailing.
smooth sailing
1/smˈuð sˈeɪlɪŋ/
idiom
no trouble; everything goes well
everything is easy and going well
例文
- Once the contract was signed, it was smooth sailing.
- With a good plan, the move should be smooth sailing.
smooth something over
1/smˈuð sˈʌmθɪŋ ˈoʊvɚ/
phrasal verb
reduce tension or seriousness of a problem
To make a problem seem less bad or make people feel better about it.
例文
- He tried to smooth over the disagreement between his friends.
- The manager smoothed over the issue with the client quickly.
as smooth as silk
1/ˈæz smˈuð ˈæz sˈɪlk/
idiom
Extremely smooth or easy
Very smooth or happening in a very easy, controlled way.
例文
- Her skin was as smooth as silk.
- The car’s new engine runs as smooth as silk.
- The car's acceleration was as smooth as silk.
- Her presentation was as smooth as silk from beginning to end.
- The dancer’s movements were as smooth as silk on the stage.
go smoothly
1/ɡˈoʊ smˈuðli/
fixed phrase
happen without problems
used when an event or plan happens in a good way, with no big problems or delays
例文
- The interview went smoothly thanks to good preparation.
- I hope the surgery goes smoothly tomorrow.
- Everything went smoothly during the ceremony.
- Everything went smoothly during the move to our new office.
- If the talks go smoothly, they could sign a deal this week.