Adverb
1. nighest
Adjective
1. closest, nighest
2. near, close, near
3. close, adjacent, moral, nearby, nearer, neighbor, neighbour, neighboring, neighbouring, nigh, warm, hot, nighest, near
4. nigh, left, near
5. artificial, unreal, cheeseparing
6. close, near, penny-pinching, stingy, ungenerous, dear
7. good, near, close, approximate
7. near, close