2 adverbs to describe how to imbecile

There was none in Amalon; not Jarom Tanner, six feet three, who became a helpless, grinning child in her presence; nor Moroni Peterson, who became a solemn and ghastly imbecile; nor Ammaron Wright, son of the Bishop, who had opened the dance of the Young People's Auxiliary with prayer, and later tried to kiss her in a dark corner of the room.

It seemed so utterly imbecile and babyish to him, he had got so far away from innocence and smiles and childhood himself, that the sight of them irritated him.

2 adverbs to describe how to  imbecile  - Adverbs for  imbecile