The abstract noun for the adjective idle is idleness.
The abstract nouns for the verb to idle are idler and the gerund, idling.
The word idle is a concrete noun, a word for a mechanism for regulating the speed at which an engine runs at rest; a setting of a motor vehicle transmission.
The abstract noun form of the adjective unique is uniqueness.
The abstract noun form for the adjective truthful is truthfulness.The word 'truthful' is the adjective form of the abstract noun truth.
The abstract noun for the adjective quick is quickness.
The word lazy is an adjective.
The abstract noun form of the adjective triumphant is triumph.
The abstract noun form of the adjective 'indifferent' is indifference.
The abstract noun form of the adjective unique is uniqueness.
The abstract noun form for the adjective truthful is truthfulness.The word 'truthful' is the adjective form of the abstract noun truth.
The abstract noun form of the adjective 'famous' is famousness.The word 'famous' is the adjective form of the abstract noun fame.
The abstract noun of the adjective "shy" is "shyness."
The abstract noun of the adjective "blue" is "blueness."
The abstract noun for the adjective quick is quickness.
The word lazy is an adjective.
The abstract noun form of the adjective triumphant is triumph.
The abstract nouns for the adjective free are freenessand freedom.
The word 'delightful' is the adjective form of the abstract noun delight.The abstract noun form of the adjective 'delightful' is delightfulnerss.
The abstract noun form of the adjective 'useful' is usefulness.The word 'useful' is the adjective form of the abstract noun use.