1
Nemesis
an opponent that cannot be beaten or overcome
2
Nettle
to irritate; vex
3
Nocturnal
of or occurring at night
4
Nullify
to make useless; cancel; undo
5
Nurture
to nourish, to feed; to educate; to train; to foster
6
Obese
extremely fat; grossly overweight
7
Obtrude
to impose oneself or one’s ideas on others; to stick out
8
Offal
waste parts, especially of a butchered animal; rubbish
9
Officious
interfering; intrusive; eager in offering
unwanted services or advice
10
Onerous
troublesome or oppressive; burdensome