persnickety

/pərˈsnɪkəti/
adjective
  1. Very concerned about small, unimportant details; fussy or overly particular.
    • My grandmother is persnickety about how the silverware is arranged in the drawer.
    • Don't be so persnickety about the font — the report looks fine as it is.
    • The chef was so persnickety that he would reject a plate if the garnish was slightly off-center.
  2. Requiring great care and attention to detail; demanding or tricky to deal with.
    • The old lock was persnickety and would only open if you jiggled the key just right.
    • Assembling this model airplane is a persnickety job that requires steady hands.
    • Writing code for that part of the program is persnickety because one small error can crash the whole system.
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