alarming

The government had warned a day earlier that overturning the vetoes could have "immediate and hard-to-reverse effects," citing the "alarming rise in extreme climate disasters."

Speaking at a media facility on Thursday afternoon, DCC Singleton said knives were the "most significant threat" to officers, with their presence going up at an "alarming rate" as officers respond to incidents.

A new report from the Massachusetts Institute for Technology makes for alarming reading.

While I am sure that nothing could possibly go wrong in that scenario, that’s not actually the part that is immediately alarming.

These forests are disappearing at an alarming pace.