my friend has relentless right ear pounding too, initially diagnosed as pulsatile tinnitus, but after a CT scan was determined to be mastoiditis (though she cannot remember having an ear infection and has no pain with the pounding). Hopefully the antibiotic will take care of it and that you are better too!
Understudy definition, to learn (a role) in order to replace the regular actor or actress when necessary. See more.
An understatement is a figure of speech employed by writers or speakers to intentionally make a situation seem less important than it really is. For example, you win 10 million dollars in a lottery.