The Word 'dark' is both an adjective and a noun.
- The noun 'dark' is an abstract noun as a Word for nightfall, the time of day that begins the night. A Word for a period of time is an abstract noun; time is a concept.
- The noun 'dark' is a concrete noun as a Word for an absence of light; a Word for a deep color; a Word for something that can be seen; a Word for a physical thing.
The noun for the adjective dark is darkness.
- The noun 'darkness' is an abstract noun as a Word for a state in which information is hidden; a Word for a lack of knowledge, understanding, or education; a Word for evil or wickedness; a Word for a concept.
- The noun 'darkness' is a concrete noun as a Word for a state in which little or no light can be seen; a Word for the state of having a color or shade that is dark; a Word for a physical thing.
