1. to return to bad habits or behaviors after a period of improvement
Usage: third person singular present tense of backslide

Examples

• After months of healthy eating, she backslides whenever she’s stressed.
• The recovering addict backslides during difficult times.
• He backslides into his old spending habits every few months.
• The student backslides academically when not properly supervised.
• Despite good intentions, the company backslides on its environmental commitments.
• She backslides into negative thinking patterns during winter.