architectural

• IPA^(key): /ˈɑɹkɪtɛktʃəɹəl/, /ˈɑɹkɪtɛktjəɹəl/

architectural (comparative more architectural, superlative most architectural)

1. Pertaining to architecture.
   • 1963, Margery Allingham, chapter 1, in The China Governess‎:

     The original family who had begun to build a palace to rival Nonesuch had died out before they had put up little more than the gateway, so that the actual structure which had come down to posterity retained the secret magic of a promise rather than the overpowering splendour of a great architectural achievement.

2. Resembling architecture in style; seeming to have been designed (by an architect).

architecture +‎ -al

• IPA^(key): /aʁ.ʃi.tɛk.ty.ʁal/

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architectural (feminine singular architecturale, masculine plural architecturaux, feminine plural architecturales)

1. architectural

• “architectural” in le Trésor de la langue française informatisé (The Digitized Treasury of the French Language).