opt in

Definition of opt in

  1. :  to choose to do or be involved in something The company offered a new health insurance plan so that more workers would opt in.

Word by Word Definitions

  1. :  to make a choice

    :  to decide in favor of something

  1. : optical; optician; optics

    : option; optional


Seen and Heard

What made you want to look up opt in? Please tell us where you read or heard it (including the quote, if possible).

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

WORD OF THE DAY

to fight against or to call in question

Get Word of the Day daily email!

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!