adjective
1.
Synonyms: fearful 3, appalling, awful, dreadful, formidable, frightful, horrible, shocking, terrible, terrific
2.
Synonyms: monstrous 1, cracking, fantastic, massive, monumental, mortal, prodigious, stupendous, towering
3.
Synonyms: huge , colossal, enormous, gigantic, immense, mighty, monstrous, prodigious, titanic, vast
Related Word: amazing, astounding, flabbergasting; terrific
Idioms: great big
Antonyms: minute