The phrase "a more tepid" is correct and usable in written English.
It can be used when comparing the temperature or enthusiasm of something, indicating that it is less warm or less enthusiastic than another reference point.
Example: "The response to the proposal was a more tepid reception than we had anticipated."
Alternatives: "a less enthusiastic" or "a milder".
But their response was moving from extreme opposition to the Tea Party to a more tepid opposition.
Last week, however, the mayor's office offered a more tepid endorsement.
The first person to purchase one of his landscapes, outside his own circle of acquaintances, had another artist paint over the sky with a more tepid version.
At some point in the near future, probably next month, Reid will bring a more tepid package of legislation to a vote.
The box office in 2019 has been a more tepid affair, with revenue down 22percentt by the last weekend of February.
The increase in the Consumer Price Index was a more tepid reading than the 0.2percentt gains Wall Street had forecast for each measure.
And so there was Prince Rama — the sisters Taraka and Nimai Larson, with Michael Collins — at the Mercury Lounge on Monday night, two out of three members barefoot, raining a formidable sound down in a far more tepid environment than the band deserves.
The Academy's weighted voting system is complicated — one strategist I met for lunch stacked twenty packets of Sweet'N Low on the table in an attempt to demonstrate how it worked — but, basically, it's better to have a small, intense base of support than a wider, more tepid one.
"Who loves freedom more than hip-hop?" she continued, prompting a slightly more tepid response.
It's been a fraught couple of months, so perhaps that's why this year's commercials seemed a little more tepid than usual.
Still a decided hit, the Baz Luhrmann-directed rendition of the iconic F. Scott Fitzgerald novel has seen a slightly more tepid reaction than expected, given the massive buzz the movie saw in the weeks leading up to its release.
