Causing or able to cause fear
Filled with fear or terror
Bowser: Mario's primary nemesis has appeared to be a cross between a turtle and a fearsome dinosaur.
It appears the the social perception of what constitutes "monstrously large" on a fearsome scale has changed quite a bit from the 1950s through today.
Whether this is limited to a platonic friendship or a romantic relationship, Scorpios make wonderfully protective friends and fearsome enemies.
One of the world's most fearsome wooden roller coasters, Son of Beast, can be found at King's Island, but possibly not for much longer.
Kingda Ka is a fearsome ride, designed by Intamin AG and powered by an intense hydraulic launch system that propels riders from a stop to 128 miles per hour in less than four seconds.