The word 'thief' is not an adjective, it's a noun, a concrete noun, a word for a person.
The abstract noun form is thievery.
The abstract noun form of the concrete noun 'thief' is thievery.The abstract noun form of the concrete noun 'infant' is infancy.The abstract noun form of the concrete noun 'coward' is cowardice.The abstract noun form of the adjective 'urgent' is urgency.
The word 'charitable' is the adjective form of the abstract noun charity.The abstract noun form of the adjective 'charitable' is charitableness.
The abstract noun form of the adjective 'clever' is cleverness.
The abstract noun form for the adjective 'one' is oneness.
The adjective form of the abstract noun 'wonder' is wonderful.The adjective form of the verb to wonder is the present participle, wondering.
The abstract noun form of the concrete noun 'thief' is thievery.The abstract noun form of the concrete noun 'infant' is infancy.The abstract noun form of the concrete noun 'coward' is cowardice.The abstract noun form of the adjective 'urgent' is urgency.
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 'polite' is politeness.
The abstract noun form of the adjective triumphant is triumph.
The adjective for the abstract noun "famous" is "famous."
The abstract noun form of the adjective 'useful' is usefulness.The word 'useful' is the adjective form of the abstract noun use.
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 'opinionated' is opinionatedness.The word 'opinionated' is the adjective form of the abstract noun opinion.
The abstract noun form of the adjective 'lovely' is loveliness.The word 'lovely' is the adjective form of the abstract noun love.
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 'envious' is enviousness.The word 'envious' is the adjective form of the abstract noun envy.