There are 2 definitions of cocky in English:

cocky1

Line breaks: cocky
Pronunciation: /ˈkɒki
 
/

adjective (cockier, cockiest)

Conceited or confident in a bold or cheeky way: we were young, brash, cocky—we knew everything a cocky playboy with a desperado mustache
More example sentences
  • He was confident but not cocky and very likable, in a puppy dog sort of way.
  • I spoke to him last night to wish him well, and he was confident without being cocky about it, which is always good.
  • It is good to walk in with confidence and a friendly smile, but not be overly confident and cocky!
Synonyms

Origin

mid 16th century (in the sense 'lecherous'): from cock1 + -y1.

Derivatives

cockily

adverb
More example sentences
  • About the time he turned 40, the once cockily independent writer had begun collaborating again.
  • She told the room - confidently, almost cockily - that the election was in the bag.
  • His fellow sellers immediately started packing up their magazines, but he cockily urged them to ‘carry on selling’.

cockiness

noun
More example sentences
  • It amused her to see Jason hiding his cockiness and his belief that she would say yes no matter what he did.
  • A lot of it is just effrontery, sheer brazen nerve, and a sort of monstrous cockiness.
  • He's got that magic combination of 19-year-old cockiness and born-with-it, estate-lad charisma.

Definition of cocky in:

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Word of the day impudicity
Pronunciation: ˌimpyəˈdisitē
noun
lack of modesty

There are 2 definitions of cocky in English:

cocky2

Line breaks: cocky
Pronunciation: /ˈkɒki
 
/

noun (plural cockies)

Australian/NZ
Informal term for cockatoo.
More example sentences
  • The astute observer would know I wasn't a local farmer because all the cockies in this particular district wear baseball caps sponsored by American chemical companies.
  • In the view of most cockies, some of the finest agricultural land in the state comes with an architectural albatross around it neck in the form of the 1830's house which stands on the land.
  • The contractors had already sprayed for cockies, fleas, flies and mice but the cockies were guaranteed to re-emerge once the effect of the watered-down spray lost its potency.

Definition of cocky in: