seal in
phrasal verb
sealed in; sealing in; seals in
: to prevent (something that is in something else) from getting out or escaping
He seared the steak to seal in the juices.
Examples of seal in in a Sentence
Recent Examples on the Web
RoC’s Retinol Correxion Deep Wrinkle Night Cream is also formulated with squalene, a noncomedogenic form of deep hydration that seals in all of the aforementioned benefits.
—
Tamim Alnuweiri, InStyle, 9 Feb. 2026
It’s often used (both as a whole-head overnight treatment and a post-styling sealing technique) to seal in hydration and tamp down frizz.
—Grace McCarty, Glamour, 6 Feb. 2026
The most effective skin-care products for crepey skin focus on restoring lipids, sealing in moisture, and supporting collagen.
—Christa Joanna Lee, Allure, 5 Feb. 2026
The 10-hour dismantling process was scheduled to begin at midnight, and by late morning Sunday the ice is expected to have been exposed to the elements, although insulated tarps will seal in the cold on the sheet.
—Eduardo A. Encina, The Orlando Sentinel, 1 Feb. 2026
See All Example Sentences for seal in
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
Tamim Alnuweiri, InStyle, 9 Feb. 2026
It’s often used (both as a whole-head overnight treatment and a post-styling sealing technique) to seal in hydration and tamp down frizz.
—Grace McCarty, Glamour, 6 Feb. 2026
The most effective skin-care products for crepey skin focus on restoring lipids, sealing in moisture, and supporting collagen.
—Christa Joanna Lee, Allure, 5 Feb. 2026
The 10-hour dismantling process was scheduled to begin at midnight, and by late morning Sunday the ice is expected to have been exposed to the elements, although insulated tarps will seal in the cold on the sheet.
—Eduardo A. Encina, The Orlando Sentinel, 1 Feb. 2026
See All Example Sentences for seal in
Cite this Entry
“Seal in.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/seal%20in. Accessed 14 Feb. 2026.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
