• synonyms


[sem-ee-rij-id, sem-ahy-]
  1. not fully rigid; partly rigid.
  2. Aeronautics. noting or pertaining to a type of airship whose shape is maintained by means of a rigid keellike structure and by internal gas pressure.
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Origin of semirigid

First recorded in 1905–10; semi- + rigid
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for semirigid

Historical Examples

  • Near the forward end of the unit, a semirigid plastic tube was connected, leading up to the face mask.

    Tom Swift and the Electronic Hydrolung

    Victor Appleton

British Dictionary definitions for semirigid


  1. partly but not wholly rigid
  2. (of an airship) maintaining shape by means of a main supporting keel and internal gas pressure
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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