Lasting for only a short time; temporary. (Cambridge Dictionary)
Transient is used to describe a situation that lasts only a short time or is constantly changing. (Collins Dictionary)
Transients are people who stay in a place for only a short time and then move somewhere else. (Collins Dictionary)
Passing especially quickly into and out of existence: Transitory. (Merriam – Webster)
Lasting only for a short time; impermanent. (Oxford Dictionaries)
Staying or working in a place for a short time only. (Oxford Dictionaries)
Meaning of Transient. Word Pandit.
Permanent and Transient. Opposite meaning words. – Thesaurus. Plus.