1. to put something new in the place of something else
Usage: third person singular present tense of ‘replace’
2. to take the place or position of someone or something
Usage: third person singular present tense of ‘replace’

Examples

• She replaces the old batteries with new ones.
• The new manager replaces the previous one next month.
• This software replaces the outdated version.
• He replaces his worn-out shoes every year.
• The automated system replaces manual processes.
• The understudy replaces the lead actor when needed.