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Give me up to 3 noun definitions from Wiktionary with usage examples.","exampleUseCases":[{"title":"Vocabulary learning assistant","prompt":"Can you look up what 'ephemeral' means as an adjective on Wiktionary and show me a couple of usage examples?"},{"title":"Writing tool word sense disambiguation","prompt":"I'm writing an essay and using the word 'set' — can you pull up all its verb definitions from Wiktionary, up to 5, so I can pick the right sense?"},{"title":"Crossword or quiz answer checking","prompt":"What does 'crepuscular' mean? I want the noun and adjective definitions from Wiktionary so I can understand it fully."}],"resultDescription":"A structured response containing the queried word, its source (Wiktionary), a list of entries each with a part-of-speech label and an array of definitions (each with definition text, usage examples, and optional sub-senses), total definition count, source URL, license info, and an optional summary string.","failureModes":["Word not found in Wiktionary – returns empty entries or a verdict indicating no coverage","Non-English words rejected – endpoint only supports English words","Invalid part-of-speech filter yields no results if that POS doesn't exist for the word","Limit parameter outside 1–10 range may be ignored or cause an error","Network or upstream Wiktionary outage returns degraded flag or empty response","Very obscure or newly coined words may have incomplete Wiktionary entries"],"whenToPreferThis":"Use this endpoint when you need structured, part-of-speech-grouped definitions with usage examples for English words, especially when you want Wiktionary's open, comprehensive coverage including technical, archaic, or multi-sense words. Prefer this over general LLM-generated definitions when you need a citable, Wiktionary-sourced answer with sub-senses and real usage examples. It is better than etymology-focused endpoints when definitions are the primary need, and better than spelling-check endpoints when sense content (not just validity) is required.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-11-02T18:33:03.524Z","isFirstParty":false,"canonicalSlug":"dictionary-and-etymology-word-definitions-wiktionary-284ae151"}