bother

Concise Oxford English Dictionary © 2008 Oxford University Press:
bother/ˈbɒðə(r)/

▶verb

• 1 [with neg.] take the trouble to do something: he didn't bother to ask why.

• 2 worry, disturb, or upset (someone).

  ■ feel concern about or interest in.

▶noun trouble; fuss.

■ a cause of trouble or fuss.

▶exclamation chiefly Brit. used to express mild irritation.

– origin C17 (as a noun in the dial. sense ‘noise, chatter’): of Anglo-Ir. origin; prob. rel. to Ir. bodhaire ‘noise’, bodhraim ‘deafen, annoy’.