gigantischer
"ein Riesenschmerz"
sachin is anxious about playing in fron of humongous home crowds.
Humongous
I believe you are referring to the word "humongous", which means extremely large or huge.
Indeed it is, however the word is correctly spelt 'Humongous', obviously meaning Huge; enourmous.
humongous gigantic large
The likely word is the adjective humongous (huge, enormous).
Massive, colossal, humongous, gigantic, etc.
Gigantic, Humongous, Huge, Great
Gigantic, Humongous, Colossal, Immense
big, humongous, large, huge, hippo
the humunguos monster destroyed the city by thrwing fire