1. third-person singular simple present of prolong; to extend the duration or length of something
Usage: standard present tense form

Examples

• The medication prolonges the patient's life by several months.
• She prolonges the conversation to avoid going home.
• This policy prolonges the economic recovery process.
• The director prolonges the final scene for dramatic effect.
• Drinking water prolonges your endurance during exercise.
• He prolonges his stay in Europe by booking another week.