overconfident

English

From over- +‎ confident.

overconfident (comparative more overconfident, superlative most overconfident)

Too confident.
- 2020 April 9, Gaby Hinsliff, “We used to moan about normal life, now our fear is we'll never get it back”, in The Guardian‎^[1]:
  The downturn triggered by putting everyday life on hold to halt the infection should, we were told, be V-shaped: a shock, but one from which we’d soon bounce back. Like many comforting predictions in the early days of this pandemic, that is beginning to look alarmingly over-confident.
Presumptuous, cocksure, rude and disrespectful.
Synonym: overweening

too confident

presumptuous, cocksure, rude, disrespectful

Chinese:
Mandarin: please add this translation if you can
Dutch: overmoedig (nl)
Esperanto: please add this translation if you can
Finnish: itsevarma (fi)
French: arrogant (fr), présomptueux (fr), condescendant (fr), sec (fr)
German: anmaßend (de), überheblich (de), vermessen (de), dreist (de), unbescheiden, arrogant (de), unhöflich (de), respektlos (de), verächtlich (de), unverschämt (de)
Russian: самонаде́янный (ru) (samonadéjannyj)
Spanish: please add this translation if you can
Swedish: tvärsäker (sv)
Thai: please add this translation if you can