non·​struc·​tur·​al | \ ˌnän-ˈstrək-chə-rəl How to pronounce nonstructural (audio) , -ˈstrək-shrəl \

Definition of nonstructural

1 : not part of a structure : not relating to, affecting, or contributing to the structure of something free-standing panels and other nonstructural elements nonstructural movable parts
2 of a viral protein : expressed in an infected cell but not incorporated into the virion particle nonstructural proteins

Examples of nonstructural in a Sentence

Recent Examples on the Web This leaves mutations in nonstructural proteins, 3’ structural proteins, and 3’ regulatory (accessory) proteins relatively uninvestigated, despite playing a significant role in host immune suppression and pathogenesis. William A. Haseltine, Forbes, 3 Sep. 2021 Viewed in terms of the entire viral genome, this enzyme consists of three nonstructural proteins: nsp7, nsp8, and nsp12. William A. Haseltine, Forbes, 5 May 2021 The agency's proposal includes a floating breakwater offshore and some nonstructural measures, such as raising homes not situated behind the sea wall. Michelle Liu, The Christian Science Monitor, 23 Nov. 2020 The biggest and most important part of assuring a future for this region is to supplement structural solutions with nonstructural approaches. Richard Campanella, The Atlantic, 6 Feb. 2018 None of that $20 billion is currently allocated toward nonstructural projects. Sara Sneath,, 5 Jan. 2018 The study is aimed at providing nonstructural flood proofing recommendations to property owners for how to defend their land against future flooding. Kate Magill, Howard County Times, 26 July 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'nonstructural.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

See More

First Known Use of nonstructural

1879, in the meaning defined at sense 1

Keep scrolling for more

Learn More About nonstructural

Time Traveler for nonstructural

Time Traveler

The first known use of nonstructural was in 1879

See more words from the same year

Dictionary Entries Near nonstructural




See More Nearby Entries 

Statistics for nonstructural

Last Updated

10 Sep 2021

Cite this Entry

“Nonstructural.” Dictionary, Merriam-Webster, Accessed 23 Oct. 2021.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon
Seen & Heard
People are talking about


Test Your Vocabulary

Dog Words Quiz

  • shiba puppy more or less demanding cuddles
  • Which of the following animals has a dog in its etymology?
Spell It

Can you spell these 10 commonly misspelled words?

Love words? Need even more definitions?

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