sleepy
The abstract noun form of the adjective tired is tiredness.
No, the word 'soundly' is an the adverb form of the adjective 'sound'.An adverb is a word used to modify a verb, an adjective, or another adverb.Examples:I plan to sleep soundly tonight. (modifies the verb 'to sleep')He hit the ball soundly. (modifies the verb 'hit')This is a soundly built house. (modifies the adjective 'built')You were soundly so right. (modifies the adverb 'so')
Sleep is a noun and does not have a superlative. Sleepy is an adjective and the superlative is "sleepiest."
The adjective form of concept is conceptual.The adjective form of conception is conceptional.
The adjective form is cranial.
The adjective form for the pronoun they is their.
The Adjective form of Pathologist is Pathological.
The adjective form of concept is conceptual.The adjective form of conception is conceptional.
The adjective form of improve is "improved."
The plural form of the noun 'adjective' is adjectives.
The adjective form for the verb to develop is developable.
The adjective form of retire is :- retired, retiring.