They communicated nonverbally.    From Wordnet, Princeton University. 

Adjective : verbal ability. ,verbal imagery. ,verbal communication; verbal agreement. ,a verbal protest. ,a purely verbal distinction between two concepts. ,a verbal translation. ,verbal facility. ,a verbal score in a test; verbal IQ.    From Dictionary.com. 

It emphasizes the importance of the family nonverbally.    From Wordnik.com.  [Peggy Drexler: The Family Meal: Why Moments Speak Louder Than Numbers] Reference

A vast portion of our communication happens nonverbally.    From Wordnik.com.  [Dr. Ali Binazir: The #1 Mistake in Modern Communication] Reference

Welle and Barrett again exchanged something nonverbally.    From Wordnik.com.  [Cold Case]

He convinvingly displayed his enthusiasm for the video nonverbally.    From Wordnik.com.  [The Gift of Language] Reference

We then do the same while merely thinking of the person nonverbally.    From Wordnik.com.  [Developing Balanced Sensitivity: Practical Buddhist Exercises for Daily Life (Revised Second Edition) ��� 8 Appreciating the Clear Light Nature of Mental Activity] Reference

Trust, empathy, and leadership is communicated nonverbally not verbally.    From Wordnik.com.  [How To Communicate | CurveHouse.com] Reference

All of that occurs nonverbally, but either party can stop along the way.    From Wordnik.com.  [The Volokh Conspiracy » Sexual Assault Problem:] Reference

Another very effective way to communicate nonverbally is through sounds.    From Wordnik.com.  [Great Sex for Moms] Reference

Be sensitive to the customer and what they are saying to you nonverbally.    From Wordnik.com.  [Surefire Ways to Build Repoire with Customers] Reference

Once awakened, I guess, I had the wherewithal to communicate nonverbally.    From Wordnik.com.  [Hope Unseen] Reference

Many of their heads were moving side to side, nonverbally saying no to me.    From Wordnik.com.  [Robert Rose: We Won't Do It, Mr. Rose] Reference

You can decide to use words, or you can decide to communicate nonverbally.    From Wordnik.com.  [Great Sex for Moms] Reference

There's all kinds of stories there about how you can communicate nonverbally.    From Wordnik.com.  [NPR's Krulwich Solves Science Puzzles Big And Small] Reference

In addition to showing him nonverbally where to touch, show him how to touch you.    From Wordnik.com.  [Great Sex for Moms] Reference

After coffee Irene nonverbally with eyes and body movements told me to follow her.    From Wordnik.com.  [Humanistic Nursing] Reference

This "I am finished" position nonverbally alerts the wait staff to clear your plate.    From Wordnik.com.  [Lisa Mirza Grotts: Table Etiquette: Two Different Styles of Eating] Reference

Look at the photo and then merely think of the person nonverbally, while also thinking.    From Wordnik.com.  [The Sensitivity Handbook: Training Materials for Developing Balanced Sensitivity ��� Exercise 8: Appreciating the Clear Light Nature of Mental Activity] Reference

You may find that your comfort with expressing pleasure nonverbally increases as you try it.    From Wordnik.com.  [Great Sex for Moms] Reference

They show great displeasure—usually nonverbally—when someone tells them about a problem.    From Wordnik.com.  [Power and Influence] Reference

Holmes did not remark on the incident, not even nonverbally, but I knew he had not missed it.    From Wordnik.com.  [The Moor]

They typically express their inspiration nonverbally, with more dedication to their practice.    From Wordnik.com.  [Relating to a Spiritual Teacher: Building a Healthy Relationship ��� Epilogue: Relating to a Western Spiritual Teacher] Reference

It is not restricted to the notion of sending and receiving messages verbally and nonverbally.    From Wordnik.com.  [Humanistic Nursing] Reference

Someone makes an errant remark, and this time you don't mindlessly respond verbally or nonverbally.    From Wordnik.com.  [Kathleen Reardon: Tweaking The Season Bright] Reference

When performing the task nonverbally, both monkeys and humans typically answered within one second.    From Wordnik.com.  [Archive 2008-01-01] Reference

The cats are lying around on the gravel complaining (both verbally and nonverbally) about the heat.    From Wordnik.com.  [She declares a barbecue | Diane Duane's weblog: "Out of Ambit"] Reference

Directly experiencing love, through nonverbally focusing it on someone, builds it into a stable habit.    From Wordnik.com.  [Developing Balanced Sensitivity: Practical Buddhist Exercises for Daily Life (Revised Second Edition) ��� 2 Quieting the Mind and Generating Care] Reference

The manner in which you project your answers, verbally and nonverbally, has a strong impact on how the interviewer will view you.    From Wordnik.com.  [First-Impression Career Blunders To Avoid] Reference

Now the day of the arraignment, and I think it is to project nonverbally that he is confident, he thinks he's going to win this case.    From Wordnik.com.  [CNN Transcript Jan 16, 2004] Reference

Status and power are nonverbally conveyed by height and space.    From Wordnik.com.  [Forbes.com: News] Reference

A sale happens, nonverbally (no oral or written communication).    From Wordnik.com.  [Libertarian Blog Place] Reference

"It's amazing how you can figure so much out nonverbally," he says.    From Wordnik.com.  [IGN PC] Reference

He understands language, he talks, and he makes himself understood nonverbally.    From Wordnik.com.  [JournalStar.com - News Articles] Reference

"Don't continue until you've learned the answer, either verbally or nonverbally.".    From Wordnik.com.  [danblacharski's blog] Reference

Importantly, she was responding nonverbally to simple commands in the emergency room.    From Wordnik.com.  [The Globe and Mail - Home RSS feed] Reference

When we get in sync with someone both verbally (through shared stories) and nonverbally.    From Wordnik.com.  [JSOnline.com] Reference

Importantly, Giffords was responding nonverbally to simple commands in the emergency room.    From Wordnik.com.  [Yahoo! News: Business - Opinion] Reference

All emotions can be expressed nonverbally through staring -- anger, fear, sadness and happiness.    From Wordnik.com. Reference

Eli nonverbally reacts to Reza's assertion that Iran's elections are the fairest in the Middle East.    From Wordnik.com.  [Bloggingheads.tv] Reference

PENACOLI: But this is the way for Angelina and Brad to say nonverbally, "OK you guys, yes.    From Wordnik.com.  [CNN Transcript Feb 25, 2008] Reference

And yes, we do communicate nonverbally.    From Wordnik.com.  [Sexy Beast IV]