aghasting1
/əˈɡɑːstɪŋ/ /əˈɡastɪŋ/rare
noun
In early use: †the action of frightening or terrifying (obsolete ). Later: the filling of someone with shock or horror.
Origin
Mid 17th century; earliest use found in James Heath (?1629–1664), historian. Originally from agast + -ing. In later use from either aghast or aghast + -ing.
aghasting2
/əˈɡɑːstɪŋ/ /əˈɡastɪŋ/rare
adjective
In early use: †frightening, terrifying, alarming (obsolete ). Later: shocking, horrifying.
Origin
Late 16th century; earliest use found in Thomas Nashe (d. c1601), writer. Originally from agast + -ing. In later use from either aghast or aghast + -ing.