短時間|たんじかんtanjikan[3]nakadaka (mid-high)

1. noun, adverbshort time
   あまりにも短時間たんじかんに、あまりにもたくさんのことを盛り込もりこむと、よい戦術せんじゅつは生うまれない。↗

   If there are too many irons in the fire in too short a time, good strategy cannot result.

• Synonymつかの間つかのまNeutralA brief moment with a sense of it slipping away at once, as in 「つかの間の休息」; 「短時間」 is purely objective.
• Synonymちょっとの間CasualColloquial for a little while; 「短時間」 states the length objectively and works in both speech and writing.
• RelatedひとときWrittenRefers to a short stretch of time, often a pleasant one, as in 「楽しいひと時」; 「短時間」 simply states that a duration is short.
• Related一時いちじNeutralThe same word as the first entry, also written 「一時」; it means a moment or a stretch of time, while 「短時間」 only says the length is objectively short.
• Related一刻いっこくWrittenWritten style for a brief moment, as in 「一刻を争う」; 「短時間」 is the plain, objective way to speak of duration.
• Related寸時すんじWrittenWritten word for an instant, as in 「寸時を惜しむ」; 「短時間」 is the more everyday choice.
• Related寸刻すんこくWrittenWritten word for an instant; 「短時間」 speaks of duration objectively.
• Related分秒ふんびょうWrittenWritten, used mostly as 「分秒を争う」 for racing every second; 「短時間」 is about length of time.
• Related寸秒すんびょうWrittenWritten term for an extremely short time; 「短時間」 is the more common word.
• Related一ときWrittenA written spelling of 「ひととき」 meaning a moment; 「短時間」 is the objective term for short duration.
• Related分陰WrittenRare written term for a fleeting instant of time; in everyday speech say 「短時間」.
• Antonym長時間ちょうじかんNeutralMeans a long time and is the direct opposite of 「短時間」.
• Antonym永い時間WrittenWritten expression for a long stretch of time, the opposite of 「短時間」.

State an objective short duration with 「短時間」, as in 「短時間勤務」. For a short stretch of time use 「ひと時」, for a fleeting moment 「つかの間」, and for racing the clock 「一刻」 or 「分秒」. The opposite is 「長時間」.

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

1. 時間じかんが短みじかいこと。
2. 短みじかい時間じかんのあいだ。