" unself-conscious "

1: as in unflappable, unshakable;

•  Synonyms : 

•  imperturbable,

•  nerveless,

•  unflappable,

•  unshakable,

•  self-promoting,

•  smug,

•  stuck-up,

•  vain,

•  vainglorious,

•  disciplined,

•  self-collected,

•  self-composed,

•  self-contained,

•  self-controlled,

•  self-poised,

•  complacent,

•  conceited,

•  egoistic,

•  egotistic,

•  important,

•  overweening,

•  pompous,

•  prideful,

•  proud,

•  self-affected,

•  self-applauding,

•  self-centered,

•  self-complacent,

•  self-conceited,

•  self-contented,

•  self-important,

•  self-pleased,

•  self-satisfied,

•  self-reliant,

•  self-sufficient,

•  hopeful,

•  optimistic,

•  rosy,

•  sanguine,

•  upbeat,

•  collected,

•  composed,

•  cool,

•  coolheaded,

•  poised,

•  recollected,

•  self-possessed,

•  serene,

•  tranquil,

•  unperturbed,

•  unshaken,

•  assured,

•  confident,

•  secure,

•  self-asserting,

•  self-assured,

•  self-confident

•  Antonyms : 

•  diffident,

•  insecure,

•  self-distrustful,

•  self-doubting,

•  meek,

•  timid,

•  unassertive,

•  humble,

•  modest,

•  unassuming,

•  unpretentious,

•  jittery,

•  jumpy,

•  nervous,

•  bashful,

•  demure,

•  mousy,

•  overmodest,

•  quiet,

•  reserved,

•  shy,

•  self-critical,

•  self-reproachful,

•  self-reproving