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opt in

British  

verb

  1. (intr, adverb) to choose to be involved in or part of a scheme, etc

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Donors of any state can claim the credit, but the student beneficiaries have to be in states that opt in.

From The Wall Street Journal • Jun. 23, 2026

Non-UK residents on that date must notify Which? by 8 October to opt in, via its claim website.

From BBC • Jun. 22, 2026

The company created a new program last year that allows retail shareholders to opt in to always vote in favor of management recommendations.

From Barron's • May 27, 2026

“Guests should be able to expressly opt in to this type of sensitive facial recognition technology with written consent — the onus of privacy rights should not be on the victim.”

From Los Angeles Times • May 20, 2026

Many countries opt in because money laundering has also become a domestic political and economic concern.

From Crime and Corruption by Vaknin, Samuel

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