15 Across

NYT Daily ? September 16, 2025

___ Dictionary (crowdsourced online reference)

Answer:

URBAN

Hint:

This online slang lexicon was founded in 1999 and often includes humorous or informal definitions submitted by users.

Explanation:

This clue is looking for the name of a well-known online dictionary that relies on user-submitted definitions and examples. "Urban Dictionary" fits because it’s a crowdsourced reference for slang, pop culture, and informal language. The blank in the clue signals you’re filling in the first word of the two-word title, which is "Urban."

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General solving tip

Fill-in-the-blank clues want a set phrase or idiom. The crosses usually confirm the exact wording.

More tips → General Hints