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Holdfast vs Fastness - What's the difference?

holdfast | fastness |

As nouns the difference between holdfast and fastness

is that holdfast is something to or by which an object can be securely fastened while fastness is a secure or fortified place; a stronghold, a fortress.

holdfast

English

Noun

(en noun)
  • Something to or by which an object can be securely fastened.
  • (zoology) A root-like structure that anchors aquatic sessile organisms, such as seaweed, other sessile algae, stalked crinoids, benthic cnidarians, and sponges, to the substrate.
  • (archaic, medicine) Actinomycosis.
  • fastness

    English

    Noun

  • A secure or fortified place; a stronghold, a fortress
  • * {{quote-book
  • , year=1917 , year_published=1917 , edition= , editor= , author= , title= , chapter= citation , genre= , publisher=archive.org , isbn= , page= , passage=The incubators are built in remote fastnesses , where there is little or no likelihood of their being discovered by other tribes. }}
  • * 1919 ,
  • *:When she came to know writers it was like adventuring upon a stage which till then she had known only from the other side of the footlights. She saw them dramatically, and really seemed herself to live a larger life because she entertained them and visited them in their fastnesses .
  • The state of being fast.
  • # firmness, security
  • # rapidity, swiftness
  • The ability of a dye to withstand fading