IPA: /æd/
KK: /æd/
To combine numbers or things together to make a larger amount or total. It can also mean to join something to increase its size, quantity, or quality.
If you add two and two, you get four.
Past: added
Past Participle: added
Add → It originates from Latin 'addere' (meaning to put to or join). The word 'add' means to join something to something else, increasing the total.
Think of 'putting to' something — that's what 'add' means, to join or increase.