formidable

About 6.38 uses per million words.

Meaning

1. adjective Causing fear, dread, awe, or discouragement as a result of size, strength, or some other impressive feature; commanding respect; causing wonder or astonishment.
2. adjective Difficult to defeat or overcome.

   a formidable opponent

Similar words

redoubtable alarming impressive unnerving awesome severe terrific daunting fierce fearsome

Often followed by

and to task than in as enemy obstacle obstacles

Word family

formidabilities formidability formidableness formidablenesses formidably