1. substitute a person or thing for (another that is broken or inefficient or lost or no longer working or yielding what is expected)

- He replaced the old razor blade

- We need to replace the secretary that left a month ago

- the insurance will replace the lost income

Definition categories: change, regenerate, renew

2. take the place or move into the position of

- Smith replaced Miller as CEO after Miller left

- Mary replaced Susan as the team's captain and the highest-ranked player in the school

Similar word(s): supersede, supplant

Definition categories: social, follow, succeed

3. put something back where it belongs

- replace the book on the shelf after you have finished reading it

Definition categories: contact, lay, place, pose, position, put, set

4. put in the place of another; switch seemingly equivalent items

- the con artist replaced the original with a fake Rembrandt

Similar word(s): exchange, interchange, substitute

Definition categories: possession, alter, change, modify

Sentences with replace as a verb:

- When you've finished using the telephone, please replace the handset.

- The earl...was replaced in his government. — Francis Bacon.

- You can take what you need from the petty cash, but you must replace it tomorrow morning.

- I replaced my car with a newer model.

- The batteries were dead so I replaced them

- This security pass replaces the one you were given earlier.

- This duty of right intention does not replace or supersede the duty of consideration. — William Whewell.