Alack
Boo and alack are semantically related. In some cases you can use "Boo" instead a interjection "Alack".
Boo
Boo noun - A vocal sound made to express scorn or disapproval.
Show all Definitions
Synonyms for Boo
Cite this Source
Boo and Alack. (2017). Retrieved 2026, July 28, from https://thesaurus.plus/related/alack/boo
Alack & Boo. N.p., 2017. Web. 28 Jul. 2026. <https://thesaurus.plus/related/alack/boo>.
Boo or Alack. 2017. Accessed July 28, 2026. https://thesaurus.plus/related/alack/boo.
Google Ngram Viewer shows how "alack" and "boo" have occurred on timeline