無制限|むせいげんmuseigen[2]nakadaka (mid-high)

1. no-adjective, na-adjectiveunlimited; unrestricted; limitless
   もし建物たてものの取り壊とりこわしが無制限むせいげんに行おこなわれるなら、美うつくしい町まちが単たんなるコンクリート・ジャングルになる危険きけんがあるのである。↗

   If the demolition of buildings is uncontrolled, a fine city is in danger of becoming nothing more than a concrete jungle.

• Synonym無限むげんNeutralInfinity — quantity or space with no end. 「無制限」 differs in focusing on rules setting no upper limit, as in 「時間無制限」.
• Synonym限りないかぎりないNeutralAn adjective for boundless, with a lyrical tone, as in 「限りない愛」; it evokes endlessness rather than the absence of rules.
• Related果てしないはてしないNeutralBoundless, with no end in sight, as in 「果てしない宇宙」; about vast stretches, not rules or restrictions.
• Related無尽蔵むじんぞうWrittenWritten register. An inexhaustible supply — resources so plentiful they never run out; not about lifted restrictions.
• Related計り知れないはかりしれないNeutralImmeasurable — so deep or great it cannot be gauged, as in 「計り知れない影響」; about degree, not limits.
• RelatedフリーNeutralLoanword meaning free, as in 「フリー」 entry; centres on being unconstrained or free of charge, where 「無制限」 is about no upper limit being set.
• Related果てしがないはてしがないNeutralSynonymous with 「果てしない」: boundless, going on forever with no end in view.
• Related無窮むきゅうWrittenWritten and archaic. Eternity — endlessness chiefly in time; a literary word for formal prose.
• Related広大無辺こうだいむへんWrittenA four-character idiom in written style; describes something immensely vast and boundless.
• RelatedきりのないNeutralColloquial. Endless in the sense of never getting done — a talk or task that drags on; not about restrictions.
• Related無限大むげんだいNeutralInfinity — a mathematical term, also used figuratively, as in 「可能性は無限大」.
• Antonym有限ゆうげんWrittenWritten register. Finite — bounded, having limits; the counterpart of unlimited 「無制限」.
• Antonym制限付きせいげんつきNeutralThe direct opposite of 「無制限」: limited or restricted by some condition.

Use 「無制限」 when rules set no upper limit, as in 「時間無制限」 or 「無制限に使える」. For endless quantity or space say 「無限」, for boundless stretches 「果てしない」, for inexhaustible resources 「無尽蔵」. The opposites are 「制限付き」 and 「有限」.

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

1. 制限せいげんがないこと。制限せいげんをしないこと。