" insignificantly "

1: as in imperceptibly, infinitesimally;

•  Synonyms : 

•  imperceptibly,

•  infinitesimally,

•  invisibly,

•  microscopically,

•  minutely,

•  fractionally,

•  barely,

•  hardly,

•  just,

•  minimally,

•  scarcely,

•  modestly,

•  little,

•  negligibly,

•  nominally,

•  slightly

•  Antonyms : 

•  astronomically,

•  big-time,

•  broadly,

•  colossally,

•  considerably,

•  enormously,

•  extensively,

•  greatly,

•  highly,

•  hugely,

•  largely,

•  massively,

•  monstrously,

•  monumentally,

•  much,

•  sizably,

•  staggeringly,

•  stupendously,

•  tremendously,

•  utterly,

•  vastly,

•  appreciably,

•  noticeably,

•  significantly,

•  abundantly,

•  amply,

•  copiously,

•  healthily,

•  plentifully

1: lacking importance;

  * e.g., " ... an insignificant detail that we can safely ignore "

•  Synonyms : 

•  fiddling,

•  foolish,

•  frivolous,

•  incidental,

•  inconsequential,

•  inconsiderable,

•  little,

•  Mickey Mouse,

•  minor,

•  minute,

•  negligible,

•  nugatory,

•  slight,

•  small,

•  small-fry,

•  trifling,

•  trivial,

•  unimportant

•  Antonyms : 

•  big,

•  consequential,

•  eventful,

•  important,

•  major,

•  material,

•  meaningful,

•  momentous,

•  significant,

•  substantial,

•  unfrivolous,

•  weighty

2: so small or unimportant as to warrant little or no attention;

  * e.g., " ... the insignificant wear on the doll's face does nothing to diminish its considerable value as an antique "

•  Synonyms : 

•  chicken,

•  de minimis,

•  footling,

•  inconsequential,

•  inconsiderable,

•  measly,

•  Mickey Mouse,

•  minute,

•  negligible,

•  niggling,

•  no-account,

•  nominal,

•  paltry,

•  peanut,

•  petty,

•  picayune,

•  piddling,

•  piddly,

•  piffling,

•  pimping,

•  slight,

•  trifling,

•  trivial

•  Antonyms : 

•  big,

•  consequential,

•  considerable,

•  important,

•  material,

•  significant