Dictionary.com
Thesaurus.com
Synonyms

silo

American  
[sahy-loh] / ˈsaɪ loʊ /

noun

plural

silos
  1. a structure, typically cylindrical, in which fodder or forage is kept.

    The dairy farm's two biggest buildings were the barn and the silo full of feed for the cows.

  2. a pit or underground space for storing grain, green feeds, etc.

  3. Military. an underground installation constructed of concrete and steel, designed to house a ballistic missile and the equipment for firing it.

  4. a group, unit, enterprise, etc., that is isolated from others or functions independently, typically viewed as not deriving the benefits of interrelationships or collaboration.

    Fundraising department silos happen when different teams don't share their ideas and plans.

  5.  information silo.   data siloComputers. an unintegrated data repository that cannot share its stored data with other systems, subsystems, or applications.

    When an organization deploys a stand-alone solution to improve operations, it risks creating a data silo that may present difficulties when trying to scale throughout the enterprise.


verb (used with object)

siloed, siloing
  1. to put into or preserve in a silo, as fodder, grain, or missiles.

  2. to separate or isolate (a group, unit, enterprise, etc.) from others.

    We Americans are now more sheltered and siloed in our sources of news than ever before.

silo British  
/ ˈsaɪləʊ /

noun

  1. a pit, trench, horizontal container, or tower, often cylindrical in shape, in which silage is made and stored

  2. a strengthened underground position in which missile systems are sited for protection against attack

"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

Etymology

Origin of silo

First recorded in 1825–35; from Spanish: “place for storing grain, hay, etc.,” originally, “subterranean”; further origin uncertain

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.

Vocational programs were long seen as places to silo academic underperformers into blue-collar work, administrators note.

From The Wall Street Journal

Lee had hoped the ADM plant, with its towering silos and trains rumbling in and out of town, would be her last stop.

From The Wall Street Journal

The nature of work will shift toward generalist roles that value the ability to make connections, work across organizational silos and demonstrate creativity in problem-solving.

From The Wall Street Journal

Throughout 2025, De Los has championed the rise of the Latino artists from their respective musical silos and into the broader global pop stratosphere.

From Los Angeles Times

At the time, the Substance Abuse and Mental Health Services Administration, which funds the 988 hotline, said it would not “silo LGB+ youth services” but rather focus on serving all who are seeking help.

From Los Angeles Times