You searched for: “archaism
A word or expression that is not generally used any more.
This entry is located in the following units: archaeo-, archeo-, archae-, arche-, archa-, archi-, -arch (page 3) -ism, -ismus (page 7)
obsolete, obsolescent, anachronism, archaic, archaism
obsolete (ahb" suh LEET, AHB suh leet") (adjective)
Unfashionable, no longer current or useful: "The use of a horse drawn carriage for everyday travel is obsolete."
obsolescent (ahb" suh LES uhnt) (adjective)
Being no longer useful or fashionable: "Gas lights in houses are now obsolescent and dangerous."
anachronism (uh NAK ruh niz'uhm) (noun)
1. Something that is chronologically out of place with the rest of a context: "Knights in armor are an anachronism in today's sporting events."
2. The representation of someone as existing or something as happening in other than chronological, proper, or an historical order: "The novel has one anachronism after the other."
archaic (ahr KAY ik) (adjective)
Characteristic of or belonging to a former or earlier time: "There are some archaic expressions used in this book that are charming."
archaism (AHR kee iz" uhm, AHR kay iz" uhm) (noun)
Something that is characterized as old fashioned or is no longer used: "Wearing a bloomer as an article of clothing is an archaism which belongs in the history books."

It is an obsolete notion to wear a bustle which has become obsolescent for daily wear. It is somewhat of an anachronism, like wearing lace mitts to the opera because lace mitts are archaic, something my great grandmother wore; however, now they are just considered an archaism best left for the manikin in the museum.