" nail-biting "

1: marked by or causing agitation or uncomfortable feelings;

  * e.g., " ... for a couple of nail-biting moments we thought that we had actually won the mega lottery "

•  Synonyms : 

•  agitating,

•  anxious,

•  creepy,

•  disquieting,

•  distressful,

•  distressing,

•  disturbing,

•  fraught,

•  hairy,

•  nerve-racking,

•  nervous,

•  restless,

•  tense,

•  uneasy,

•  unnerving,

•  unsettling,

•  worrisome

•  Antonyms : 

•  calming,

•  comfortable,

•  easy,

•  peaceful,

•  quiet,

•  quieting,

•  tranquil

1: something (as a close contest) that induces much suspense as to its outcome;

  * e.g., " ... a presidential election that was one of the great nail-biters of all time "

•  Synonyms : 

•  cliff-hanger,

•  hair-raiser,

•  suspenser,

•  thriller

•  Antonyms : 

• (N/A)