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"tepid" is also used as a crossword clue. If that's what you saw, the answer is often lukewarm (8 letters).
Definitions
feeling or showing little interest or enthusiasm
Word origin
Borrowed from Latin tepidus. Cognate with Sanskrit तप् (tap), Proto-Slavic *teplъ.
Used in a sentence
“I'm drinking a cup of tepid water.”
“He gave me a tepid response to the proposal.”
Source: Wiktionary, CC BY-SA 4.0
Used as a crossword answer1 curated clues
01“Barely warm”5 letters
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