act up


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act up

[for a thing or a person] to behave badly. This car is acting up again.
See also: act, up

act up

1. to behave badly Sometimes kids act up because they just want attention.
Usage notes: usually used to refer to children
2. to operate badly My computer began acting up and I lost a whole day's work.
3. to become active Her allergies acted up when she went hiking in the woods.
Usage notes: usually used to refer to a medical condition
See also: act, up

act up

1. Misbehave. For example, With an inexperienced rider, this horse always acts up. [c. 1900]
2. Malfunction, as in I'm not sure what's wrong with my car, but the transmission is acting up. In both usages up means "abnormally."
See also: act, up

act up

v.
1. To misbehave: The driver stopped the school bus because the kids were acting up.
2. To cause problems by operating strangely or unexpectedly: The thermostat suddenly started acting up, and now it's always too hot or too cold in here.
3. To become active or troublesome after a period of operating normally: My knee starts acting up when the weather is cold.
See also: act, up
References in periodicals archive ?
Although ACT UP protesters may hope that their actions will inspire the police to join their side, the officers must follow their own protocol, or script, and arrest as deemed necessary by the political powers that be.
But infused with Hieronimo's righteous fury and Hamlet's wrenching intellectualism, ACT UP also knew that the traditional theater is not the place to save lives.
MN: If you remember what the initial goals of ACT UP were--to publicize the crisis, to get drugs into bodies, and to end the AIDS crisis--we accomplished two of the three.
The information is there, and that's a huge difference from the time that ACT UP started.
ACT UP groups from around the country converged on the bureaucracy's headquarters.
Members of ACT UP were consulted and invited to attend meetings.
ACT UP has struggled to adapt to the new political reality.
ACT UP has also formed an unlikely alliance with Nader's Public Citizen and the Rainforest Action Network to press for the Hope for Africa Act, federal legislation that would provide access to AIDS therapies for Africans with AIDS.
ACT UP was certainly not the first--nor will it be the last--queer direct-action movement.