Copyright © 2026 Kotomora. All Rights Reserved.
スムーズ (sumuuzu) Japanese meaning: smooth | Kotomora
Report an issue with this page
The meeting went smoothly.
I was able to complete the procedure smoothly online.
Her explanation was smooth and easy to understand.
Usage patterns 〈 事こと 〉 がスムーズに 進すす む for something to proceed smoothly
The discussion went more smoothly than expected.
〈 事こと 〉 をスムーズに 行おこな う to carry out something smoothly
With the new system, we can carry out the work smoothly.
スムーズな 〈 事こと 〉 smooth, trouble-free (process, communication, etc.)
Smooth communication between teams is important.
スムーズに 〈 動どう 詞し 〉 to (do something) smoothly, without a hitch
The procedure finished smoothly.
Related words· 7 円滑 is a more formal, Sino-Japanese word for smooth progress, often used in business or official contexts, while スムーズ is the everyday katakana word for the same idea.
順調 means things are going well or on schedule, whereas スムーズ specifically stresses the absence of friction or delay in a process.
滑らか usually describes physical smoothness, texture, or fluent speech, while スムーズ is used more for problem-free progress or operation.
スムーズ is a borrowed word often used in business contexts, while すんなり is a native onomatopoeic word with a softer, everyday feel.
Show 3 more シームレス describes something literally or figuratively without seams or gaps, while スムーズ describes an action or process going smoothly, with more focus on ease than on the absence of a boundary.
スムーズ is a loanword used broadly for smooth processes or communication, while すらすら is a native onomatopoeic word focused on fluent speech, writing, or reading.
すらり is a native mimetic word for smooth, effortless progress, while スムーズ is the borrowed adjective-noun used more broadly and formally for smoothness.
Written forms スムーズ Usage 90%
Standard katakana spelling and the prioritized form.
スムース Usage 10%
Variant katakana spelling; understandable and attested, but スムーズ is the more prominent practical spelling here.
Etymology A katakana word used for the idea of smooth, trouble-free progress. No language of origin is specified, so the exact borrowing history is not stated here.