Hendiadys
/henˈdaɪədɪs/
Definition 1 of 1
Pro Tip 1/3Literary Device
Hendiadys is often used by writers to create a poetic or rhetorical effect in literarature. 
Shakespeare often used 'hendiadys' to enhance the emotional impact of his language.
Pro Tip 2/3Emphasize Ideas
Using hendiadys can intensify an idea by expressing it with two words instead of one. 
He came in 'full and plenty,' his presence undeniably commanding the room.
Pro Tip 3/3Subtle Variance
Hendiadys can add subtle nuance, suggesting a combination of qualities that single words might miss. 
The forest was 'dark and deep,' implying an eerie and vast depth beyond just darkness.