Send in
Send in verb - Mail in; cause to be delivered.
Usage example: Send in your comments
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Synonyms for Send in
Send out
Send out verb - To throw or give off.
Mutual synonyms
Cite this Source
Send out and Send in. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/send_in/send_out
Send in & Send out. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/send_in/send_out>.
Send out or Send in. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/send_in/send_out.
Google Ngram Viewer shows how "send in" and "send out" have occurred on timeline