| noun | a loud harsh or strident noise |
| verb | make a strident sound “She tended to blast when speaking into a microphone” |
| verb | make a loud noise “The horns of the taxis blared” |
| adjective | unpleasantly loud and penetrating “the blaring noise of trumpets” |
| blare | verb | make a strident sound |
| cacophonic | adjective | having an unpleasant sound; - John McCarten |
| cacophonous | adjective | having an unpleasant sound; - John McCarten |
| clamorous | adjective | conspicuously and offensively loud; given to vehement outcry |
| din | verb | make a resonant sound, like artillery |
| blast | noun | a sudden very loud noise |
| blare | noun | a loud harsh or strident noise |
| honker | noun | a driver who causes his car's horn to make a loud honking sound |
| beep | noun | a short high tone produced as a signal or warning |
| beeper | noun | an electronic device that generates a series of beeps when the person carrying it is being paged |
| claxon | noun | a kind of loud horn formerly used on motor vehicles |
| toot | noun | a blast of a horn |