variants or less commonly aline
aligned also alined; aligning also alining; aligns also alines

transitive verb

1
: to bring into line or alignment
aligned the books on the shelf
2
: to array on the side of or against a party or cause
He aligned himself with the protesters.

intransitive verb

1
: to get or fall into line
He aligned with his friends against a common enemy.
2
: to be in or come into precise adjustment or correct relative position
Negative ends of molecules align with positive ends of other molecules.
aligner noun

Examples of align in a Sentence

He aligned the two holes so he could put the screw through them. The two parts of the machine are not properly aligned. The text aligns with the bottom of the picture. The schools had to align their programs with state requirements. She is aligning with other senators to oppose his nomination.
Recent Examples on the Web
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.
The project was announced in 2023, but Cooper has finally shared more details, including his work as B camera operator on the film, which aligns with his famously hands-on approach to filmmaking. Samantha Bergeson, IndieWire, 11 Feb. 2025 On those nights, the sun, Earth and moon will align so that the moon passes into the Earth's shadow, causing the lunar surface to appear as a deep shade of rusty-red during the more than hourlong totality. Eric Lagatta, USA TODAY, 11 Feb. 2025 Just this week, groups aligned with Conservative Judaism also signed on to a letter denouncing Trump administration policies. Lauren Costantino, Miami Herald, 10 Feb. 2025 These workhorse muscles keep your knees aligned and stable, especially on downhills and uneven terrain, and play a key role in helping to support your pack weight. Adam Roy, Outside Online, 9 Feb. 2025 See all Example Sentences for align 

Word History

Etymology

French aligner, from Old French, from a- (from Latin ad-) + ligne line, from Latin linea

First Known Use

circa 1693, in the meaning defined at transitive sense 1

Time Traveler
The first known use of align was circa 1693

Dictionary Entries Near align

Cite this Entry

“Align.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/align. Accessed 19 Feb. 2025.

Kids Definition

align

verb
variants also aline
1
: to bring into or be in line or alignment
2
: to cause to be for or against something (as a belief or political party)
aligned himself with the opposition
aligner noun

More from Merriam-Webster on align

Last Updated: - Updated example sentences
Love words? Need even more definitions?

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