passport

passport
pass‧port /ˈpɑːspɔːt $ ˈpæspɔːrt/ noun [countable]1. a small official document that you get from your government, that proves who you are, and which you need in order to leave your country and enter other countries:
    I have an Irish passport.
    They need to check that your passport is in order.
2. passport to success/health/romance etc something that makes it easy for you to achieve success, good health etc:
    She saw a good diet as a passport to good health.
    Don’t assume that winning a talent contest is a passport to success.
     

COLLOCATIONS

■ verbs
   ▪ have/hold a passport I have a Canadian passport.
   ▪ apply for a passport You can apply for an Italian passport if your parents are Italian.
   ▪ get a passport (also obtain a passport formal) It took quite a long time to get a new passport.
   ▪ renew a passport I'd forgotten to renew my passport.
   ▪ travel on a passport The men were convicted of travelling on a false passport.
■ adjectives
   ▪ a British/American etc passport She was born in India but has a British passport.
   ▪ a valid passport (=one that is officially acceptable) For travel abroad, you must have a valid passport.
   ▪ a false/forged passport (also a fake passport informal) He used a false passport to enter Kenya.
■ passport + NOUN
   ▪ a passport photograph/photo
   ▪ a passport holder (=someone who has a passport) British passport holders must obtain a visa before entering the country.
   ▪ a passport application the processing of passport applications