having, characterized by, or showing superior power or strength:
mighty rulers.
2.
of great size; huge:
a mighty oak.
3.
great in amount, extent, degree, or importance; exceptional:
a mighty accomplishment.
adverb
4.
Informal. very; extremely:
I'm mighty pleased.
noun
5.
(used with a plural verb) mighty persons collectively (usually preceded by the):
the rich and the mighty.
Origin
before 900;Middle English;Old Englishmihtig. See might2, -y1
Related forms
mightiness, noun
overmighty, adjective
quasi-mighty, adjective
Synonyms
1. strong, puissant. See powerful. 2. immense, enormous, tremendous, sizable.
Antonyms
1. feeble. 2. small.
Examples from the web for mighty
Dams, irrigation and now climate change have drastically reduced the once-mighty river.
Anyone who has ever smelled a durian fruit can tell you that it smells mighty strong.
As mighty as glaciers look from the deck of a cruise ship, they are surprisingly fragile.
In midair the shark lunges at a seal and flips back into the water with a mighty splash.
Eco-ethics seem to be all but forgotten of late in pursuit of the all-mighty dollar.
It would take a mighty large bookcase to contain all of the works on pragmatism published over the last two decades.
It's mighty important, mind you, but a big part of me sees all of that as pure tedium.
Your criticisms seem mighty, mighty petty in light of the true horrors that go on every day.
When the retail pie is so small to begin with, those slices are going to send us all to bed mighty hungry.
His biggest mistake was getting found out, giving people the chance to get all high and mighty about it.
British Dictionary definitions for mighty
mighty
/ˈmaɪtɪ/
adjective mightier, mightiest
1.
having or indicating might; powerful or strong
(as collective noun; preceded by the): the mighty
2.
very large; vast
3.
very great in extent, importance, etc
adverb
4.
(informal, mainly US & Canadian) (intensifier): he was mighty tired
Derived Forms
mightiness, noun
Word Origin and History for mighty
adj.
Old English mihtig, earlier mæhtig, from miht (see might (n.)). Cf. Old Frisian mechtig, Old Saxon mahtig, Dutch machtig, German mächtig. As an adverb, it is attested from c.1300, though now considered colloquial.