Motiveless
"Motiveless" in a Sentence (2 examples)
This seems to have been a motiveless crime: no money was stolen, and nobody had cause to hate the victim.
He was interested in their genuine, yet refined simplicity; and, moreover, the most worn and worldly natures vindicate their humanity by occasional preferences and motiveless likings.
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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.