Context matters:
* "Got" as in "obtained": The opposite could be lost, missed, or failed to get.
* "Got" as in "understood": The opposite could be missed, didn't understand, or failed to grasp.
* "Got" as in "received": The opposite could be sent, given, or dismissed.
Examples:
* "I got a new car." Opposite: "I lost my old car."
* "I got the joke." Opposite: "I missed the joke."
* "I got a letter." Opposite: "I sent a letter."
In some cases, a simple negation might work:
* "I got it." Opposite: "I didn't get it."
It's important to consider the specific meaning of "got" in the sentence to choose the most accurate opposite.