1.
sufficiently; enough; adequately
Indicates that something meets or exceeds the required level or amount. Used to confirm that a condition has been satisfactorily met.
十分に休んでください。
Please rest well.
準備は十分にできている。
The preparations are fully complete.
栄養を十分に取ることが大切だ。
It's important to get enough nutrition.
2.
fully; thoroughly; to a great extent
Emphasizes completeness or thoroughness of an action. Conveys that something was done without cutting corners.
十分に注意してください。
Please be very careful.
この件については十分に検討する必要がある。
We need to examine this matter thoroughly.
お気持ちは十分に分かります。
I fully understand how you feel.
Adverbial form of 十分 (sufficient; enough) + に. Also written 充分に with different kanji — both are standard and interchangeable, though 十分 is more common. The word 十分 can also function as a na-adjective: 十分な量 (a sufficient amount).
Note: 十分 (ten minutes) is a different word with different kanji reading.
COMMON COLLOCATIONS:
- 十分に注意する: to exercise great caution
- 十分に理解する: to fully understand
- 十分に検討する: to thoroughly examine
- 十分に休む: to rest well
SIMILAR WORDS:
- たっぷり: plenty; more than enough — more colloquial, implies generous abundance
- 充分に: sufficiently — variant kanji spelling, same pronunciation and meaning
- しっかり: firmly; thoroughly — emphasizes doing something properly and reliably