Definition of invest verb from the Oxford Advanced American Dictionary

        

    invest

     verb
    verb
    NAmE//ɪnˈvɛst//
     
    Verb Forms present simple I / you / we / they invest
     
    he / she / it invests
     
    past simple invested
     
    -ing form investing
     
     
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  1. 1[intransitive, transitive] to buy property, shares in a company, etc. in the hope of making a profit invest (in something) Now is a good time to invest in the property market. invest something (in something) He invested his life savings in his daughter's business.
  2. 2 [intransitive, transitive] (of an organization or government, etc.) to spend money on something in order to make it better or more successful invest (in/on something) The government has invested heavily in public transportation. invest something (in/on something) The college is to invest $2 million in a new theater. In his time managing the team he has invested millions on new players.
  3. 3[transitive] invest something (in something) invest something (in) doing something to spend time, energy, effort, etc. on something that you think is good or useful She had invested all her adult life in the relationship.
  4. 4[transitive] (formal) to give someone power or authority, especially as part of their job invest somebody (with something) The new position invested her with a good deal of responsibility. invest somebody (as something) The interview was broadcast on the same day he was invested as president. see also investiture
  5. Phrasal Verbsinvest in somethinginvest somebody/something with something
See the Oxford Advanced Learner's Dictionary entry: invest