Backup
Backup noun - A crowded mass (as of cars) that impedes or blocks movement.
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Synonyms for Backup
Train and backup are semantically related. In some cases you can use "Train" instead a noun "Backup".
Nearby Word: backing
Train
Train noun - A body of employees or servants who accompany and wait on a person.
How words are described
Both words in one sentence
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The journey takes less than two minutes in real life, and with 28 trains per hour on that line, there's little room for delays and no room to divert a train without a significant backup.
Source: Just Train Wrong -
An episode of the 80's TV Cop Show Hunter had the title character jump onto a train traveling from Los Angeles to San Francisco in order to tail a suspect, with his partner DeeDee McCall having to chase after him by car to provide backup.
Source: Racing the Train -
Silverpilen, an unpainted subway test train from Stockholm once used sporadically as a backup unit, is subject to legends of this kind.
Source: Afterlife Express
Cite this Source
Train and Backup. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/backup/train
Backup & Train. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/backup/train>.
Train or Backup. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/backup/train.
Google Ngram Viewer shows how "backup" and "train" have occurred on timeline