to make a choice; choose (usually followed by for).
opt in, to decide to make use of or take part in something: To receive automatic updates, opt in under the email notification section.
opt out, to decide to withdraw from or not take part in something: You can opt out of the pension plan, but you lose the employer and government contribution.
- un·opt·ed, adjective
Other definitions for opt. (2 of 2)
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use opt in a sentence
Men may opt out of the discussion rather than risk saying something wrong.
Nor, however, did it opt for opening a dialogue with the civil society.
Instead, opt for eating complete meals with good sources of protein and fiber.
If you tend to inhale your food without realizing how much you consumed, opt for nibbles like in-shell pistachio nuts.12 Thanksgiving Weight Loss Tips That Actually Work | DailyBurn | November 27, 2014 | THE DAILY BEAST
Allowing religiously affiliated organizations to opt out of Obamacare, period.RFRA Madness: What’s Next for Anti-Democratic ‘Religious Exemptions’ | Jay Michaelson | November 16, 2014 | THE DAILY BEAST
I don't know if it's 'nother opt'cal d'lusion—but you appear t' me to ha' gorrem on.The Brass Bottle | F. Anstey
Curus opt'cal d'lusion—due to overshtudy—everything's spinnin' round.The Brass Bottle | F. Anstey
Czechoslovaks who are habitually resident in Germany will have a similar right to opt for Czechoslovak nationality.
Any person over 18 years of age habitually resident in the territory restored to Denmark will be entitled to opt for Germany.
The observation of this variety in divers eclipses, you may see set downe by Keplar opt.The Discovery of a World in the Moone | John Wilkins
British Dictionary definitions for opt
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