WordReference Random House Learner's Dictionary of American English © 2017
might•y /ˈmaɪti/USA pronunciation   adj.,  -i•er, -i•est, adv., n. 
adj. 
  1. having or showing might:mighty rulers.
  2. of great size; huge:the mighty Mississippi River.
  3. great in amount, extent, or importance:a mighty accomplishment.

adv. 
  1. Informal Termsvery;
    extremely:I'm mighty pleased.

n. 
  1. the mighty, [plural;  used with a plural verb] mighty people thought of as a group.
might•i•ly /ˈmaɪtəli/USA pronunciation  adv. 
might•i•ness, n. [uncountable]

WordReference Random House Unabridged Dictionary of American English © 2017
might•y  (mītē),USA pronunciation adj.,  might•i•er, might•i•est, adv., n. 
adj. 
  1. 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.

adv. 
  1. Informal Termsvery;
    extremely:I'm mighty pleased.

n. 
  1. (used with a pl. v.) mighty persons collectively (usually prec. by the):the rich and the mighty.
mighti•ness, n. 
  • bef. 900; Middle English; Old English mihtig. See might2, -y1
    • 1.See corresponding entry in Unabridged strong, puissant. See  powerful. 
    • 2.See corresponding entry in Unabridged immense, enormous, tremendous, sizable.
    • 1.See corresponding entry in Unabridged feeble.
    • 2.See corresponding entry in Unabridged small.


Collins Concise English Dictionary © HarperCollins Publishers::

mighty /ˈmaɪtɪ/ adj (mightier, mightiest)
  1. having or indicating might; powerful or strong
  2. (as collective noun; preceded by the): the mighty
  3. very large; vast
  4. very great in extent, importance, etc
adv
  1. informal chiefly US Canadian (intensifier): he was mighty tired

ˈmightiness n



'mighty' also found in these entries:
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