Refuse
Refuse verb - To be unwilling to grant.
Understand and refuse are semantically related. In some cases you can use "Understand" instead a verb "Refuse".
Understand
Understand verb - To form an opinion or reach a conclusion through reasoning and information.
Refuse and understand are semantically related. Sometimes you can use "Refuse" instead a verb "Understand".
Common collocations
Both words in one sentence
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If they refuse, he will kill them all and give their lands to subjects who understand the consequences of betraying him.
Source: Literature / The Stolen Throne - The whole way through, however, Superman is genuinely convinced he is doing the ultimate good for the world and cannot understand why Lex Luthor would so adamantly refuse to submit.
Source: The Evils of Free Will -
The World Is Not Ready: The Overlords refuse to show themselves because they think humanity won't understand.
Source: Series / Childhood's End
Cite this Source
Understand and Refuse. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/refuse/understand
Refuse & Understand. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/refuse/understand>.
Understand or Refuse. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/refuse/understand.
Google Ngram Viewer shows how "refuse" and "understand" have occurred on timeline