overconfidence

UK:*UK and possibly other pronunciationsUK and possibly other pronunciations/ˌəʊvəˈkɒnfɪdəns/


WordReference Random House Unabridged Dictionary of American English © 2025
o•ver•con•fi•dent  (ō′vər kon′fi dənt),USA pronunciation adj. 
  1. too confident.
  • over- + confident 1610–20
o′ver•con′fi•dence, n. 
o′ver•con′fi•dent•ly, adv. 
    cocksure, brash, arrogant, reckless, heedless.
'overconfidence' also found in these entries (note: many are not synonyms or translations):
bold - security - sure

Forum discussions with the word(s) "overconfidence" in the title:


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