In vain
In vain adverb - To no avail.
Unpersuasively and in vain are semantically related. In some cases you can use "Unpersuasively" instead an adverb phrase "In vain".
Unpersuasively
In vain and unpersuasively are semantically related. You can use "In vain" instead an adverb "Unpersuasively".
Mutual synonyms
Cite this Source
Unpersuasively and In vain. (2016). Retrieved 2026, August 01, from https://thesaurus.plus/related/in_vain/unpersuasively
In vain & Unpersuasively. N.p., 2016. Web. 01 Aug. 2026. <https://thesaurus.plus/related/in_vain/unpersuasively>.
Unpersuasively or In vain. 2016. Accessed August 01, 2026. https://thesaurus.plus/related/in_vain/unpersuasively.
Google Ngram Viewer shows how "in vain" and "unpersuasively" have occurred on timeline