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have clammed
  • present perfect of clam.

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

In the aftermath of Martinez’s death, friends and neighbors who knew him in Lewiston have clammed up, unsure how to feel about the man they knew as a kind, affable friend.

From Seattle Times • Jan. 25, 2022

But in the postseason, the Raptors have clammed up, needing every ounce of their energy to escape from their first-round series and then continuing to struggle against actual contenders.

From Washington Post • Mar. 3, 2018

But after drawing millions of page views, more than 144,000 Facebook likes, about 87,000 Instagram followers, more than 29,000 Twitter followers and more than 1.1 million followers on Pinterest, the Petersiks have clammed up.

From Washington Post

As a further footnote to the business of political reporting, Laguerre says that the French Communists, who were once very helpful, have clammed up since the reinstitution of the Corn-inform.

From Time Magazine Archive

“Well, would the Traveler in your head have clammed up yesterday?”

From "Bye Forever, I Guess" by Jodi Meadows