逃げ出す|にげだすnigedasu[3]nakadaka (mid-high)

1. godan verb, intransitive verbto run away; to flee; to make off; to take to one's heels; to escape
   その男おとこは町まちから逃げ出にげだした。↗

   The man got away from the city.
2. godan verb, intransitive verbto start to run away

• Synonym逃げるにげるNeutralThe everyday verb for running away or dodging; the most common of all. 「逃げ出す」 stresses starting to flee or running out of a place.
• Synonym逃走とうそうWrittenWritten noun for fleeing, as in 「犯人が逃走中」; news-register term stressing getting away from the scene.
• Synonym逃亡とうぼうWrittenNoun for fleeing and then hiding one's whereabouts, as in 「海外逃亡」. 「逃げ出す」 only covers running out of a place, not going into hiding.
• Synonym脱走だっそうNeutralNoun for escaping confinement or camp, as in 「脱走兵」; stresses breaking free of restraints.
• Synonym脱出だっしゅつNeutralNoun for getting out of danger or a predicament, as in 「国外脱出」; stresses a successful escape.
• Synonym抜け出すぬけだすNeutralVerb for slipping away quietly or breaking out of a slump, as in 「スランプから抜け出す」.
• SynonymトンズラCasualSlang for doing a runner, with an underworld flavor, as in 「借金してトンズラ」.
• Synonym逃げ失せるにげうせるNeutralVerb for fleeing without a trace, stressing that the runner is gone from sight; 「逃げ出す」 is about starting to flee or bolting from a place.
• Synonym遁走とんそうWrittenWritten noun for fleeing in panic, as in 「敵が遁走する」; literary register.
• SynonymずらかるCasualRough slang for clearing off or making a getaway, with a whiff of thieves' cant; often said of crooks, but anyone can use it.
• Synonym逃げ去るにげさるNeutralVerb for fleeing away, stressing getting far from the scene; leans toward written prose.
• SynonymエスケープNeutralLoanword for skipping class or slipping out, also the Esc key; less common. 「逃げ出す」 is the everyday word and is not limited to cutting class.
• Synonym逸走いっそうWrittenWritten noun for escaping, or for a racehorse running off the track; seldom used.
• Related免れるまぬがれるWrittenWritten verb for escaping disaster or dodging responsibility, stressing being spared; running away may or may not be part of it.
• Related退散たいさんNeutralNoun for dispersing and leaving — driven off, as in 「悪霊退散」, or departing on one's own; 「逃げ出す」 is bolting in a panic from a place.
• Related駆け出すかけだすNeutralVerb for suddenly starting to run, not necessarily to flee, as in 「急に駆け出す」.
• Related抜け出るぬけでるNeutralVerb for slipping out quietly or standing out from the crowd; stresses leaving without being noticed.
• Related抜けるぬけるNeutralBroad verb for coming loose, falling out or getting free, as in 「歯が抜ける」.
• Related逃避とうひWrittenWritten noun for escaping reality, as in 「現実逃避」; stresses psychological avoidance.
• Related逃散ちょうさんWrittenWritten noun for farmers of old abandoning their fields and fleeing; a historical term.
• Related逃げ走るにげはしるNeutralVerb for fleeing desperately, stressing the act of running; uncommon.
• Related奔逸ほんいつWrittenWritten noun for dashing at speed or acting unrestrained; literary and rare today.
• RelatedくらますNeutralVerb for hiding one's whereabouts, as in 「姿を晦ます」; stresses concealment rather than running.
• Related雲隠れくもがくれNeutralMetaphorical noun for suddenly vanishing, e.g. a politician going missing.
• AntonymとどまるNeutralAntonym: to stay put in one place, the opposite of running off.
• AntonymつかまるNeutralAntonym: to be caught or arrested, the opposite of getting away.
• Antonym閉じ込められるNeutralAntonym: to be shut in with no way out, the opposite of escaping.

Use 「逃げ出す」 for bolting out of a place or starting to flee, as in 「部屋から逃げ出す」. For everyday fleeing pick 「逃げる」; for a fugitive on the run, 「逃走」; for fleeing and hiding, 「逃亡」; for a jailbreak, 「脱走」. Being caught is 「捕まる」.

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

1. 外部がいぶへ逃にげて行いく。
2. 逃にげ始はじめる。