Read the dictionary definition of nigh. All definitions for this word.
1. not far distant in time or space or degree or circumstances
1. near neighbors
2. in the near future
3. they are near equals
4. his nearest approach to success
5. a very near thing
6. a near hit by the bomb
7. she was near tears
8. she was close to tears
9. had a close call
2. being on the left side
1. the near or nigh horse is the one on the left
2. the animal's left side is its near or nigh side
3. (of actions or states) slightly short of or not quite accomplished; all but
1. the job is (just) about done
2. the baby was almost asleep when the alarm sounded
3. we're almost finished
4. the car all but ran her down
5. he nearly fainted
6. talked for nigh onto 2 hours
7. the recording is well-nigh perfect
8. virtually all the parties signed the contract
9. I was near exhausted by the run
10. most everyone agrees
4. near in time or place or relationship
1. as the wedding day drew near
2. stood near the door
3. don't shoot until they come near
4. getting near to the true explanation
5. her mother is always near
6. The end draws nigh
7. the bullet didn't come close
8. don't get too close to the fire