mighty
Concise Oxford English Dictionary © 2008 Oxford University Press:
mighty/ˈmʌɪti/
▶adjective (mightier, mightiest)
- 1 very powerful or strong.
- 2 informal very large.
– derivatives
mightily adverb,
mightiness noun.
mightily adverb,
mightiness noun.
'mighty' also found in these Oxford entries:

