N

Question 1

Novel

Answer 1

adj. new, innovative

We are looking for novel ways to approach the project.

Question 2

Nuance

Answer 2

n. a subtle difference in meaning

Body-language experts even understand the nuances of facial expressions.

Question 3

Null

Answer 3

adj. legally void and ineffective

The government declared their marriage null.

Question 4

Notion

Answer 4

noun: notion; plural noun: notions
1.a conception of or belief about something.
“children have different notions about the roles of their parents”

2.an impulse or desire, especially one of a whimsical kind.
“she had a notion to ring her friend at work”