American Dictionary
Definition great- in American English
great- prefix
prefix
/ɡreɪt/
1
used with nouns describing older relatives to make other nouns meaning the grandfather, grandmother, etc. of your parent
Example
my great-grandfather (=the grandfather of one of my parents)
Example
my great-aunt (=the aunt of one of my parents)

Related Words
Words related to great-:
a deal of something (phrase)
at () length (phrase)
at expense (phrase)
be a great/firm believer in something (phrase)
do a job (phrase)
go great guns (phrase)
go to etc. lengths (phrase)
great pains (phrase)
job (phrase)
great (adjective)
great (adverb)
great (noun)
Great Britain ()
great minds think alike (phrase)
great (phrase)
great with child (phrase)
great- (prefix)
etc. news for (phrase)
have hopes for someone (phrase)
no great shakes (phrase)
scale heights (phrase)
(great) store something (phrase)
sounds etc. (phrase)
that (great)...in the sky (phrase)
the (great) unwashed (phrase)
the Great Repeal Bill (noun)
the Great White Way ()
to a extent (phrase)
United Kingdom of Great Britain and Northern Ireland ()