明け暮れ|あけくれakekure[0]heiban (flat)

1. nounmorning and evening; daily routine
2. suru verb, intransitive verbto spend all one's time doing; to do day in, day out
3. adverball the time; always; constantly; day and night

• Synonym朝夕あさゆうNeutralMeans morning and evening, or the day's two meals; as an adverb, constantly. It stresses the time of day, without the sense of being absorbed in one thing.
• Synonym四六時中しろくじちゅうNeutralAround the clock, twenty-four hours a day. Colloquial and often exaggerated. No nuance of being absorbed in one thing.
• Synonym常につねにNeutralAlways, at all times; more formal and common in written prose. It does not suggest being busy with one thing all day.
• Synonym絶えずたえずNeutralConstantly, without interruption. It stresses that something never stops, not absorption in one thing.
• SynonymいつでもNeutralAt any time, whenever one likes. It stresses availability at any moment, not being devoted to one thing.
• Synonym明けても暮れてもあけてもくれてもNeutralA set phrase for the same thing day after day, from morning till night, as in 「明けても暮れても勉強」. 「明け暮れ」 itself can also be a noun for morning and evening.
• Related常々つねづねNeutralFor what is always or habitually the case, as in 「常々思っている」「常々努力している」. It stresses a long-standing habit, not being buried in one thing all day.
• RelatedいつもNeutralThe everyday word for 'always' or 'usually', the most common in daily use. It only says something happens regularly, not that one is busy with one thing all day.
• Related年中ねんじゅうNeutralMeans the whole year, and as an adverb, always. It stresses that something holds throughout the year, without the focus-on-one-thing nuance of the headword.
• Related始終しじゅうNeutralMeans from start to finish, or frequently, as in 「始終笑っている」. It stresses continuity through the whole span rather than being absorbed in one activity.
• RelatedしょっちゅうCasualColloquial, for the same thing happening over and over. It stresses frequent repetition, not spending all day on one thing.
• RelatedずっとNeutralMeans continuously, or 'by far' in comparisons. It stresses a state lasting on, or a big gap in degree, not being occupied with something.
• Related年がら年中ねんがらねんじゅうCasualColloquial, for something true all year round. Often carries a complaining tone, but can also state a fact, as in 「年がら年中営業」.
• Related日夕にっせきWrittenWritten/formal prose, and rare. Means day and night, or the time when day turns to evening. It names the time span only, without the sense of devotion to one thing.
• Related常住坐臥じょうじゅうざがWrittenA written four-character idiom, originally 'whether sitting or lying', i.e. in daily life; now means at all times. No nuance of devotion to one thing.
• Related夜昼よるひるNeutralDay and night, without distinguishing them. It stresses unbroken continuity, not absorption in one thing.
• Related常住じょうじゅうWrittenWritten/formal prose. Originally a Buddhist term for eternal, unchanging existence; also means living somewhere long-term, as in 「常住人口」.
• Related間断なくかんだんなくWrittenWritten/formal prose, for something continuing without a break. It stresses that there are no gaps, not devotion to a task.

Use 「明け暮れ」 for being absorbed in one thing morning and evening, or day after day, often as 「練習に明け暮れる」. For plain 'always' say 「いつも」; for all year round, 「年中」; for the same thing day in, day out, 「明けても暮れても」. The rest just give time spans or frequency — none implies devotion to one thing.

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

1. 朝あさと夕暮ゆうぐれ。
2. （サ変さへん）いつも、あることに専念せんねんすること。時間じかんをとられること。
3. 明あけても暮くれても。常時じょうじ。