上限|じょうげんjougen[0]heiban (flat)

1. no-adjectiveupper limit
2. noun, mathsupremum

• SynonymリミットNeutralA loanword for a limit or deadline, as in 「タイムリミット」; common in everyday speech.
• Synonym最高限度さいこうげんどNeutralA longer noun for a set maximum, with a formal feel; in everyday use the shorter 「上限」 is the usual choice.
• SynonymマキシマムNeutralA loanword meaning the maximum, as in 「マキシマムの力」; 「上限」 stresses an imposed boundary rather than the greatest amount.
• Synonym最大限度さいだいげんどNeutralA noun for the greatest possible degree or amount, as in 「最大限度に活用する」; the stress is on reaching the very utmost.
• Related最大限さいだいげんNeutralA noun for the utmost possible, as in 「最大限の努力」; at home in both speech and writing.
• Related最大値さいだいちNeutralA noun for the maximum value; a term used in mathematics and statistics.
• Related最高限さいこうげんNeutralThe highest point a price, quantity, etc. can reach; fairly rare. 「上限」 stresses an imposed upper boundary, so the two are not always interchangeable.
• Antonym下限かげんNeutralThe lower limit, as in 「下限を設ける」; the direct opposite of 「上限」.

For an imposed cap on an amount or figure, use 「上限」 (「上限を設ける」「上限額」). To say you do something to the utmost, use 「最大限」; for a deadline, 「リミット」. The opposite of 「上限」 is 「下限」.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

1. 上うえの方ほうの限界げんかい。
2. 時代じだいの古ふるい方ほうの限界げんかい。
3. 上界じょうかいのうちで最小さいしょうの数かず。もとの集合しゅうごうに対たいしていう。
4. 定積ていせき分ぶんで、積分せきぶん区間くかんの上うえの限界げんかい。上端じょうたん。⇔下限かげん。