squander

Verb

• spend extravagantly
  • waste not, want not
    

• spend thoughtlessly; throw away
  • He wasted his inheritance on his insincere friends
    
  • You squandered the opportunity to get and advanced degree
    

Related words

• Synonyms: 
  consume , waste , ware , blow
• Antonyms: 
  conserve , husband , economize , economise