Read the sentence. Then read the dictionary entry.
If you do not take your medicine with meals, it will annul its work in your body.
annul /ə-nəl/ verb
1. to make legally invalid or void
2. to reduce to nothing, obliterate
3. to make ineffective, neutralize
4. to make a yearly event
Which entry defines the use of annul in the sentence?
O A. definition 2
OB.
definition 4
C.
definition 3
O D. definition 1