bother
noun(both-er)
something or someone that causes trouble; a source of unhappiness
Examples:
A bit of a bother. 
bother
verb(both-er)
to cause inconvenience or discomfort to
bother
verb(both-er)
take the trouble to do something; concern oneself
Synonyms: inconvenience oneself, 
trouble, trouble oneself, 
 Examples:
Don't bother, please. 
bother
noun(both-er)
an angry disturbance
Examples:
A spot of bother. 
bother
verb(both-er)
cause annoyance in; disturb, especially by minor irritations
Synonyms: annoy, 
chafe, 
devil, get at, get to, 
gravel, 
irritate, 
nark, 
nettle, 
rag, 
rile, 
vex, 
 Examples:
Mosquitoes buzzing in my ear really bothers me. 
bother
verb(both-er)
intrude or enter uninvited
Examples:
Don't bother the professor while she is grading term papers. 
bother
verb(both-er)
make confused or perplexed or puzzled
bother
verb(both-er)
make nervous or agitated
Examples:
The mere thought of her bothered him and made his heart beat faster.