[ struhk-cher-uhl ]
See synonyms for structural on
  1. of or relating to structure; relating or essential to a structure.

  2. resulting from or relating to political or economic structure: structural reforms to the social safety net;structural inequalities;structural racism.

  1. Biology. relating to organic structure; morphological.

  2. Geology. of or relating to geological structure, as of rock or strata.

  3. Chemistry. relating to or showing the arrangement or mode of attachment of the atoms that constitute a molecule of a substance.: Compare structural formula.

  4. of, relating to, or based on the assumption that the elements of a field of study are naturally arranged in a systematic structure: structural grammar.

  1. Building Trades.

    • a part of a structure that carries a load.

    • the structural member used for such a part.

Origin of structural

First recorded in 1825–35; structure + -al1

Other words from structural

  • struc·tur·al·ly, adverb
  • non·struc·tur·al, adjective
  • non·struc·tur·al·ly, adverb
  • un·struc·tur·al, adjective
  • un·struc·tur·al·ly, adverb Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use structural in a sentence

British Dictionary definitions for structural


/ (ˈstrʌktʃərəl) /

  1. of, relating to, or having structure or a structure

  2. of, relating to, or forming part of the structure of a building

  1. of or relating to the structure and deformation of rocks and other features of the earth's crust

  2. of or relating to the structure of organisms; morphological

  3. chem of, concerned with, caused by, or involving the arrangement of atoms in molecules

Derived forms of structural

  • structurally, adverb

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