What do modern singles look for in a potential partner? A survey of over 5,000 unattached adults sought to find out. 

Research company MarketTools asked singles about turn-ons, deal breakers and even one-night stands. Among the more interesting findings was that nearly half of those polled (42 percent) said they would not date a virgin. Another deal breaker? Credit card debt.

Couple on a date \\ Photo: Abel Mitja Varela; Getty Images

The majority of singles polled (65 percent) wouldn't date someone with credit card debt in excess of $5,000. Fifty-four percent wouldn't date someone with "substantial" student loan debt.

If you're a single virgin with maxed out credit cards — good luck. And if you live with your parents, it gets worse. Forty-nine percent of singles wouldn't even consider a committed relationship with someone who lives at home with Mom and Dad.

The survey was conducted by MarketTools Inc. for dating site Match.com. It polled 5,481 singles.

When it comes to one-night stands, more people have had them than you may think. Forty-four percent of women and 63 percent of men have engaged in a brief bedroom encounter. But 33 percent of those would-be one-night stands turned into a relationship.

The poll also asked men how they judge women. Ladies, you may want to start editing your text messages. Grammar is a trait that a surprising 55 percent of men notice. Teeth, hair and clothes were also judge-worthy traits. 

And what do women want? Ladies' No. 1 "must have" in a relationship was someone who "treats me with respect." Women also want someone they can "trust and confide in."

Thirty-six percent of singles have sent a sexy photo or explicit content to someone.  Possibly related, 38 percent would cancel a date if they found something unsavory while doing an Internet background check on their date.

Tell us — what are your dating deal breakers?

Photo: What singles want/Abel Mitja Varela/Getty Images