terribly (adv.)
- abominably
- agonizingly
- alarmingly
- appallingly
- atrociously
- awfully
- baldly
- balefully
- banefully
- basely
- bestially
- bitterly
- blatantly
- brashly
- brutally
- confoundedly
- contemptibly
- cruelly
- damnably
- deadly
- deathly
- decidedly
- despicably
- detestably
- deucedly
- disconcertingly
- disgustingly
- distressingly
- dreadfully
- exceedingly
- excessively
- excruciatingly
- exorbitantly
- extravagantly
- extremely
- fabulously
- fearfully
- flagrantly
- forbiddingly
- foully
- frightfully
- fulsomely
- greatly
- grievously
- grimly
- grossly
- gruesomely
- hellishly
- hideously
- highly
- horribly
- horridly
- horrifyingly
- improperly
- incredibly
- inexcusably
- infernally
- inordinately
- intolerably
- just
- lamentably
- mightily
- mighty
- miserably
- nakedly
- nastily
- notoriously
- obnoxiously
- odiously
- offensively
- openly
- outrageously
- painfully
- piteously
- powerful
- powerfully
- pretty
- quite
- real
- really
- remarkably
- repulsively
- revoltingly
- right
- sadly
- savagely
- scandalously
- shabbily
- shamefully
- shockingly
- so
- sordidly
- sorely
- staggeringly
- startlingly
- strikingly
- terrifically
- thoroughly
- torturously
- tragically
- tremendously
- unashamedly
- unbearably
- unduly
- unpardonably
- very
- viciously
- vilely
- woefully
- wretchedly