cast your net wider

cast (one's) net wider

To broaden one's search or criteria for something, thus giving oneself more options. A: "I don't know why John has only applied to Ivy League schools when he only has average grades." B: "I know, I've told him to cast his net wider."
See also: cast, net, wider
Farlex Dictionary of Idioms.

cast your net wider

or

cast the net wider

COMMON If you cast your net wider or cast the net wider, you include a larger number of people or things, especially when considering or choosing someone or something. The easiest way to find members is through friends of friends but if you want to cast the net wider, put an ad in your local bookshop. We will cast the net wider to look at other factors too. Note: You can also say that you cast your net wide, meaning that you include a large number of people or things. Clarke, as director of training, decided to cast the net wide in the search for the best candidates. England's selectors have been careful to cast their net wide to prepare for the World Cup. Note: The verb spread is sometimes used instead of cast. Ferguson advised him to spread the net wide in his search for players. Police had searched the local area and found nothing so they were spreading their net wider.
See also: cast, net, wider
Collins COBUILD Idioms Dictionary, 3rd ed.
See also:
  • wash (one's) hands of (someone or something)
  • wash hands of
  • wash one's hands of
  • wash your hands of
  • wash your hands of somebody/something
  • wash your hands of something/someone
  • kick (oneself) for (doing something)
  • keep in sight
  • keep sight of (someone or something)
  • keep sight of somebody/something
References in periodicals archive
To answer your question, yes, go ahead and re-apply for the position and give it your best shot.However, as the saying goes, don't carry all your eggs in one basket, cast your net wider for other opportunities even as you pursue this one.
Last-minute tickets are still available online at eventim.bg and Technomarket, Multirama, TVI, Piccadilly and Germanos stores, but for anyone wishing to find accommodation on short notice, cast your net wider, as options in Kavarna are limited and likely have been booked months in advance.
6) Cast your net wider Anglers are in heaven in the Beacons.
Another is to cast your net wider than equities and fixed interest and to consider hedge funds, commodities and property exposure.
However, seizing the initiative to cast your net wider should enable the annual haul on your investment portfolio to become far more rewarding.
But when it comes to finding an interior designer, you may want to cast your net wider. After all, this person will be spending many hours with you designing your living spaces, and possibly making purchases involving tens of thousands of your dollars.
English theatre and television will always be there, but there's no reason why you can't cast your net wider.