ˈriːˌgrɛs
regresses; regressed; regressing
technical
: to return to an earlier and usually worse or less developed condition or state
The patient is regressing to a childlike state.
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“Regress.” Merriam-Webster.com Simple Definition, Merriam-Webster, https://www.merriam-webster.com/simple/regress. Accessed 24 Jun. 2026.
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