Bug
'bug' is the definition.
(I know that bug can be written as germ)
This is all the clue.
(Other definitions for germ that I've seen before include "Beginning (of an idea?)" , "tiny life form" , "Cause of disease" , "Origin" , "Bug" .)
'bug' is the definition.
(both can mean annoy)
This is the entire clue.
(Other definitions for rile that I've seen before include "Bother" , "bug" , "Irk" , "Make angry" , "Stir up anger" .)
'bug' is the definition.
(I know that bug can be written as wire)
This is all the clue.
(Other definitions for wire that I've seen before include "Flex" , "Drawn-out metal" , "See 20" , "Strand of metal" , "Flexible strands of metal" .)
'bug?' is the definition.
(I've seen this before)
This is all the clue.
(Other definitions for earwig that I've seen before include "Fork-tailed insect" , "Close acquaintance" , "Small insect with pincers at end of its body" , "It creeps and crawls" , "little insect" .)
'bug' is the definition.
(I know that bug can be written as pester)
This is all the clue.
(Other definitions for pester that I've seen before include "Bug" , "Annoy with persistent requests" , "Trouble, annoy" , "Nag, badger" , "Keep bothering" .)
'bug' is the definition.
(bug can mean an insect)
This is the entire clue.
(Other definitions for insect that I've seen before include "Small six-legged creature" , "cricket, say" , "Imago" , "E.g. cricket" , "Small animal with six legs" .)
'bug' is the definition.
(influenza)
This is the entire clue.
(Other definitions for flu that I've seen before include "Viral infection (colloq.)" , "Highly contagious viral disease" , "A bad winter bug" , "Common infection" , "Common annual illness" .)
'bug' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for vex that I've seen before include "upset" , "Irk" , "Irritate, annoy" .)
'bug' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for irk that I've seen before include "Irritate, vex" , "Irritate, annoy" , "Severely annoy" , "Gall" , "English river" .)