gigantic (adj.)

• abandoned
• abysmal
• astronomic
• astronomical
• awesome
• big
• boundless
• bulky
• colossal
• cosmic
• cyclopean
• egregious
• elephantine
• enormous
• epic
• exaggerated
• excessive
• exorbitant
• extensive
• extravagant
• extreme
• fabulous
• fancy
• galactic
• gangling
• gangly
• gargantuan
• giant
• gluttonous
• heroic
• high
• huge
• hulking
• humongous
• hyperbolic
• hypertrophied
• immeasurable
• immense
• immoderate
• incontinent
• infinite
• inordinate
• intemperate
• jumbo
• king-size
• lank
• lanky
• large
• leggy
• lengthy
• long
• long-legged
• mammoth
• massive
• mighty
• monstrous
• monumental
• mountainous
• outrageous
• outsize
• overgrown
• overlarge
• overmuch
• overweening
• prodigious
• profound
• rangy
• sizable
• spacious
• staggering
• statuesque
• steep
• stiff
• strapping
• stupendous
• tall
• thumping
• thundering
• titanic
• towering
• tremendous
• unbridled
• unconscionable
• undue
• unreasonable
• unrestrained
• vast
• voluminous
• walloping
• weighty
• whopping