send in

Idioms  

1. Cause to be dispatched or delivered, as in Let's send in a letter of protest to the hiring committee . [Early 1700s]

2. Cause someone to become involved in a particular undertaking, as in This disagreement is serious; it's time to send in the lawyers , or In the final few minutes the coach sent in Richard on right wing . [Mid-1800s]

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Example Sentences

"We have to check the source to see if there's credibility behind it," he adds, "because people do send in random things."

From BBC • Apr. 25, 2026

It seems like the Justice Department’s plan was to send in this junior prosecutor, Daniel Rosenblum, who would respond to these questions with ignorance and say he didn’t know anything.

From Slate • Mar. 20, 2026

Takayuki Kobayashi, the policy chief of Takaichi's ruling Liberal Democratic Party, said Sunday the threshold was "extremely high" for Tokyo to send in its warships.

From Barron's • Mar. 16, 2026

Anthropic’s researchers didn’t send in everything that Claude unearthed, focusing only on examples that were reproducible, something that made it much easier for Mozilla’s team to confirm the bugs.

From The Wall Street Journal • Mar. 6, 2026

He agreed to send in an army plane to pick up Eifler and Heisenberg and fly them over the open Atlantic Ocean.

From "Bomb" by Steve Sheinkin