Yes, it is a concept, an expression of goodwill, not a physical thing to be seen or touched.
Yes, brotherhood (single compound word) is an abstract noun, a word for a relationship between people, a concept.
Yes, the noun astonishment is an abstract noun, a word for an emotional reaction.
Is undergone an abstract noun
The abstract noun is criticism.
The abstract noun is obligation.
Abstract noun of hopeless
The noun 'wise' is an abstract noun meaning the manner of something, the way or the mode of something.Example: "That's the way it crumbles, cookie wise."The abstract noun for the adjective 'wise' is wiseness.A related abstract noun form is wisdom.The noun brother is an abstract noun (when not used for the physical person), another abstract noun is brotherhood.
Yes, the noun astonishment is an abstract noun, a word for an emotional reaction.
Is undergone an abstract noun
Concrete noun
The abstract noun is criticism.
The noun 'hopefulness' is an abstract noun, a word for an emotion.
The abstract noun is obligation.
Abstract noun of hopeless
Friendship has not abstract noun because It is a abstract noun
The abstract noun form is tourism.
The abstract noun for the adjective vacant is vacantness. Another abstract noun form is vacancy.
The abstract noun for the adjective quick is quickness.