NASA reported a trouble-free launch.    From Wordnet, Princeton University. 

Once a physician has inserted one, it's trouble-free.    From Wordnik.com.  [Options Beyond The Pill] Reference

April was relatively trouble-free as far as allergies.    From Wordnik.com.  [kevynwight Diary Entry] Reference

"I just want an easy, trouble-free book to start with.".    From Wordnik.com.  [The Project Gutenberg FAQ 2002] Reference

TE trouble-free earth lead (French: terre electronique).    From Wordnik.com.  [1. Protective measures against too high a contact voltage and conduct following electrical accidents] Reference

Again, Salazar is set for a trouble-free run to approval.    From Wordnik.com.  [TPM's Early Handicapping of the Obama Confirmation Hearings] Reference

Only an inch separated tragedy from a trouble-free flight.    From Wordnik.com.  [CNN Transcript Apr 3, 2008] Reference

Organizers promised this will be a trouble-free national tour.    From Wordnik.com.  [CNN Transcript May 3, 2008] Reference

Computer-wise, Russia reports a trouble-free move into the Year 2000.    From Wordnik.com.  [CNN Transcript - Special Event: Millennium 2000: Hot Spots - January 2, 2000] Reference

Many travel companies had expected the period to be unusually trouble-free.    From Wordnik.com.  [Heavy Snows Snarl Holiday Travel Plans] Reference

"Nothing as large as the decennial census can be trouble-free," Groves said.    From Wordnik.com.  [Computer glitches hamper 2010 Census] Reference

Relations between students and ROTC cadets haven't always been trouble-free.    From Wordnik.com.  [Want To 'Play In The Mud'?] Reference

It is a buteautiful picture landing trouble-free at the Kennedy Space Center.    From Wordnik.com.  [CNN Transcript Jun 14, 2008] Reference

So, why is it such a challenge to have a trouble-free election in this country?.    From Wordnik.com.  [CNN Transcript Oct 26, 2008] Reference

Taking my mind off thoughts is the only way I assume I would stay trouble-free.    From Wordnik.com.  [rouflaquette Diary Entry] Reference

Conversion proved trouble-free and permanent; no racial incidents were reported.    From Wordnik.com.  [Integration of the Armed Forces, 1940-1965] Reference

How confident are you that the President's visit will be secure and trouble-free?.    From Wordnik.com.  [Press Briefing By Dee Dee Myers] Reference

They have modest site requirements and most are rapid-growing, trouble-free trees.    From Wordnik.com.  [1. Introduction] Reference

It is completely automatic and has an exceptional record of trouble-free operation.    From Wordnik.com.  [1.1 The role and purpose of irrigation] Reference

Installation was effortless, trouble-free and surprisingly quick: about 20 minutes.    From Wordnik.com.  [Making XP a Welcome Guest on Mac] Reference

"It's a lot less maintenance and pretty much a trouble-free system," Mr. McCoy says.    From Wordnik.com.  [Tackling the Energy Monster] Reference

Lunch beforehand, at Peggy Hammond's unpretentious farmhouse was utterly trouble-free.    From Wordnik.com.  [Michael Henry Adams: Hey, President and Mrs. Obama, How About the Hamptons?] Reference

Below them, inside the thick walls, Capitol City settled down for a trouble-free night.    From Wordnik.com.  [Crystal Rain] Reference

Accuracy in the corrugations is vital for proper installation and trouble-free performance.    From Wordnik.com.  [Chapter 10] Reference

The flight down was pretty trouble-free but the return flight turned into an 18-hour ordeal.    From Wordnik.com.  [CNN Transcript Dec 31, 2009] Reference

Apart from the above, good drainage and/or good quality water leave most schemes trouble-free.    From Wordnik.com.  [Water profile of Namibia] Reference

Now, to be clear, this doesn't mean everything in life will suddenly be pleasant and trouble-free.    From Wordnik.com.  [Stacey Lawson: Principle #6: Relax And Let It Go] Reference

KITTY PILGRIM, CNN CORRESPONDENT (voice over): It wasn't a meltdown, but it was far from trouble-free.    From Wordnik.com.  [CNN Transcript Nov 29, 2006] Reference

You know, you don't have -- no one has a total trouble-free life, no country has a trouble-free economy.    From Wordnik.com.  [President At Signing Parks Management Act] Reference

One hopeful sign: Stock and bond markets across Europe have been running trouble-free tests over the weekend.    From Wordnik.com.  [CNN Transcript - Special Event: Millennium 2000: Europe Encounters Few Y2K Problems During First Millennium Weekend - January 2, 2000] Reference

It is important to select correct connections to guarantee trouble-free functioning (as shown in the drawings).    From Wordnik.com.  [1. PRINCIPLES] Reference

What he said was, 85 percent of Iraq is basically trouble-free, by and large, according to urban center standards.    From Wordnik.com.  [CNN Transcript Mar 22, 2007] Reference

Even then, good performance of the gasifier is required to guarantee trouble-free operation over a period of a few hours.    From Wordnik.com.  [7. Derived technical demands for field application of gasifier-engine systems] Reference

And he is probably the most famous sports celebrity in the world, one with an incredibly squeaky-clean, trouble-free image.    From Wordnik.com.  [CNN Transcript Dec 1, 2009] Reference

And as a member of the opiate family it gives people a sense of euphoria, a sense of well being, a sense of being trouble-free.    From Wordnik.com.  [CNN Transcript Feb 13, 2007] Reference

They must see that distant horizon when children will grow up in an Ireland trouble-free, and not even remember how it used to be.    From Wordnik.com.  [Remarks By Clinton And Ahern At Shamrock Presentation] Reference

In order to guarantee a trouble-free development of instruction, exercises and teaching it is necessary to prepare this training properly.    From Wordnik.com.  [1. Objectives and contents of practical vocational training in the working techniques of “Marking and Punch Marking”] Reference