Causing fear, dread, awe, or discouragement as a result of size, strength, or some other impressive feature; commanding respect; causing wonder or astonishment.
The latter part of the fifteenth century prepared a train of future events, that ended by raising France to a formidable power, which has ever since been, from time to time, the principal object of jealousy to the other European nations.
Difficult to defeat or overcome.
a formidable opponent
From Middle English formidable, from Old French formidable, formible, from Latin formīdābilis (“formidable, terrible”), from formīdō (“fear, dread”).
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