1. The state, quality, or fact of being like; resemblance.
2. An imitative appearance; a semblance.
3. A pictorial, graphic, or sculptured representation of something; an image.
4. These nouns denote agreement or conformity, as in character, nature, or appearance between persons or things.
5. Likeness implies close agreement:
“There is a devil haunts thee in the likeness of a fat old man” (Shakespeare).
It was your uncanny likeness to my sister that made me stare at you.
6. Similarity and similitude suggest agreement only in some respects or to some degree:
Similarity 和similitude 指某些方面或某种程度的相似：
They were drawn to each other by similarity of interests.
“A striking similitude between the brother and sister now first arrested my attention” (Edgar Allan Poe).
7. Resemblance refers to similarity in appearance or in external or superficial details:
“The child . . . bore a remarkable resemblance to her grandfather” (Lytton Strachey).
8. Analogy is similarity, as of properties or functions, between unlike things that are otherwise not comparable:
The operation of a computer presents an interesting analogy to the working of the human brain.
9. Affinity is likeness deriving from kinship or from the possession of shared or compatible properties, characteristics, or sympathies:
There is a discernible stylistic affinity between the compositions of Brahms and those of Dvo–ák.