Dude. Ukraine applied to be part of the European Union (EU) not NATO. Not the same animal.
EU: Austria, Belgium, Bulgaria, Croatia, Republic of Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden and the UK (for now).
NATO: Albania, Belgium, Bulgaria, Canada, Croatia, Czech Republic, Denmark,Estonia, France, Germany, Greece, Hungary, Iceland, Italy, Latvia, Lithuania, Luxembourg, Montenegro, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Turkey, United Kingdom,United States
Members of NATO but not EU: Albania, Canada, Iceland (that may change if they join the EU), Norway, Turkey, the US.
Members of EU but not NATO: Austria, Cyprus, Finland, Ireland, Malta and Sweden.
BONUS! EEA: EU countries and also Iceland, Liechtenstein and Norway. Switzerland is technically neither, but it is a part of the single market.