Definition of invest verb from the Oxford Advanced Learner's Dictionary

Oxford3000 Academic

invest

verb
ɪnˈvest
 
; ɪnˈvest
 
 
1 [intransitive, transitive] to buy property, shares in a company, etc. in the hope of making a profitinvest (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 [intransitive, transitive] (of an organization or government, etc.) to spend money on something in order to make it better or more successfulinvest (in/on something) The government has invested heavily in public transport.invest something (in/on something) The college is to invest $2 million in a new conference hall.In his time managing the club he has invested millions on new players.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 usefulShe had invested all her adult life in the relationship.4 [transitive] (formal) to give somebody power or authority, especially as part of their jobinvest 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
Phrasal verbs

invest in something

(informal, often humorous) to buy something that is expensive but usefulDon't you think it's about time you invested in a new coat?

invest somebody/something with something

(formal) to make somebody/something seem to have a particular qualityBeing a model invests her with a certain glamour.