Fastened and Opened

Opposite meaning words

Fastened adjective - Firmly closed or secured.

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Opened is an antonym for fastened.

Nearby Words: fastening, fastener

Opened adjective - Not sealed or having been unsealed.

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Fastened is an antonym for opened.

Nearby Words: open, opening, opener

One of the gadgets used by the mysterious V.F.D in Lemony Snicket's A Series of Unfortunate Events is the "Vernacularly Fastened Door", a lock which can only be opened by answering trivia questions.

Source: Only Smart People May Pass

Cite this Source

Opened and Fastened. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/fastened/opened

Fastened & Opened. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/fastened/opened>.

Opened or Fastened. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/fastened/opened.

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