nervous

nervous /ˈnɚvəs/ adjective
nervous
/ˈnɚvəs/
adjective
Britannica Dictionary definition of NERVOUS
1 
[more nervous; most nervous]
a  : having or showing feelings of being worried and afraid about what might happen
b  : often or easily becoming worried and afraid about what might happen
c  : causing someone to feel worried and afraid : making someone nervous
2 
always used before a noun : of or relating to the nerves in your body
: caused by or affected by nerves

— nervously

adverb

— nervousness

noun [noncount]