Crackup
Unusual object and crackup are semantically related. In some cases you can use "Unusual object" instead a noun "Crackup".
Unusual object
Crackup and unusual object are semantically related. Sometimes you can use "Crackup" instead a noun phrase "Unusual object".
Mutual synonyms
Cite this Source
Unusual object and Crackup. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/crackup/unusual_object
Crackup & Unusual object. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/crackup/unusual_object>.
Unusual object or Crackup. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/crackup/unusual_object.
Google Ngram Viewer shows how "crackup" and "unusual object" have occurred on timeline