1. To reserve or save something for someone or for a later use. A noun or pronoun is used between "leave" and "for." I've left an extra portion of dinner for Tommy, since he won't be getting home from practice until late. You should really save some of your paycheck each month for a rainy-day fund.
2. To set out for some destination. A noun or pronoun is used between "leave" and "for." What time do you leave for the airport in the morning? They're leaving for New York next week, so I'm having a going-away party for them this Saturday.
3. To abandon one's spouse or romantic partner in order to be in a relationship with someone else. A noun or pronoun is used between "leave" and "for." I can't believe that after 30 years of marriage he would leave me for some 20-year-old secretary! She left him for a bartender she met on a cruise.
4. To quit or abandon one's job or career to take up a different job, company, or kind of career. A noun or pronoun is used between "leave" and "for." He left a lucrative marketing career for a chance to act on Broadway. I started working for Flem Corp. a couple months ago, but I left them for a management position at Gem Corp.
See also: leave
leave something for (someone or an animal)
to allow something to remain for the use of someone or an animal. I will leave this bread here for you, so you won't starve. Don't clean it up. Leave it for the dog.
See also: leave
leave for some place
to depart for some place. We will leave for Denver at dawn. When do we leave for Grandmother's house?