Yes, the pronoun 'their' is a possessive adjective, a word that describes a noun such as 'ability' as belonging to a plural or multiple antecedent noun. Example:
We test our applicants on their ability to perform the job.
Able is the adjective of ability. The spelling is irregular.
The adjective form of the noun ability is "able".
The noun forms would be ableness (of a person) or ability (a general noun).
Yes, it is an adjective. It refers to the ability to walk something, to take it for a walk.
No, "flexible" is an adjective that describes the ability to bend or adapt easily.
No, "sight" is not an adjective. It is a noun that refers to the ability to see, or to something that is seen.
Acceptable. If an abstract noun ends in -ability or -ibility, the corresponding adjective will end in -able or -ible.
able
The abstract noun form of the adjective able is ability.
The word "unimaginable" is an adjective. It describes something that is beyond one's ability to imagine or comprehend.
To write motion as an adjective, you can use "moving" or "mobile." These words describe something that is in motion or has the ability to move.
The noun form of the adjective 'able' is ability.