Fledgling
Nestling, Baby bird
Seafaring
Maritime, Nautical, Pelagic
Confront
Challenge, Resist, Tackle
Ravine
Gorge, Canyon, Chasm
Adamant
Resolute, Determined, Steadfast
Ferocious
Fierce, Savage, Wild
Lopsided
Uneven, Unbalanced, One-sided
Overwhelming
Profuse, Enormous, Formidable
Enlighten
Illuminate, Inform, Notify
Tarnished
Besmirched, Blackened, Tainted
Cudgel
Club, Stick, Baton
Decimated
Killed, Destroyed, Annihilated
Lumbering
Lurching, Stumbling, Waddling
Devastating
Destructive, Catastrophic, Calamitous
Inexplicable
Unexplainable, Unaccountable, Incomprehensible
Intimidating
Frightening, Menacing, Terrifying
Daunting
Unnerving, Unsettling
Formidable
Alarming, Daunting, Intimidating
Vulnerable
Endangered, Unprotected, Unguarded
Intricacy
Complexity, Involution
Languorous
Enervated, Lackadaisical, Lethargic
Imperturbability
Calmness, Composure
Nonchalance
Apathy, Complacence, Indifference
Relentless
Incessant, Persistent, Continual
Indefatigable
Tireless, Unwearied, Unflagging