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v. Present participle of alarm.

adj. causing apprehension, fear or alarm; frightening

adj. Exciting, or calculated to excite, alarm; causing apprehension of danger. -- A*larm"ing*ly, adv.

adj. frightening because of an awareness of danger

"He also expressed concern at what he called the alarming deterioration of the public service."

sinister    forbidding    appalling    shuddery    threatening    menacing    dreadful    hairy    ghastly    frightening   

reassuring   

horrible   

frightful    scary    terrific    dreadful    dread    terrifying    terrible    startling    ghastful   

alarm   

arming    charming    disarming    farming    harming    rearming