Irrevocably
Irreversibly, Irremediably, Irreparably (Adverb).
Auspicious
Promising, Propitious, Encouraging (Adjective).
Bystander
Onlooker, Observer, Spectator, Watcher (Noun).
Console
Comfort, Solace (Verb).
Scepticism
Doubtfulness, Dubiousness, Lack of Conviction (Noun).
Brusque
Abrupt, Brisk, Terse (Adjective).
Dissuaded
Discouraged, Deterred, Disinclined (Adjective).
Excoriate
Abrade, Scrape, Scratch (Verb).
Senile
Aged, Decrepit, Doddery (Adjective).
Regale
Entertain, Amuse, Delight (Verb).
Mesmerized
Enthralled, Spellbound, Dazzled (Adjective).
Gruff
Rough, Hoarse, Harsh (Adjective).
Dissipate
Evaporate, Disappear, Dissolve (Verb).
Unabashed
Undaunted, Unflinching, Flagrant (Adjective).
Succinct
Concise, Crisp, Brief (Adjective).
Tethered
Tied, Chained, Hitched (Adjective).
Dumbfounded
Astonished, Astounded, Stupefied (Adjective).
Burgeoning
Expanding, Swelling, Increasing, Multiplying (Adjective).
Pandemonium
Disorder, Chaos, Uproar, Tumult (Noun).
Resuscitation
The medical act of trying to revive a dying person (Noun).
Exhalation
Breathing out, Emission, Discharge (Noun).
Residue
Remainder, Remnant, Leftover (Noun).
Pungent
Powerful, Pervasive, Penetrating (Adjective).