harmless old man.    From Wordnet, Princeton University. 

harmless bacteria.    From Wordnet, Princeton University. 

A benign tumor is usually harmless.    From Wordnet, Princeton University. 

But aside from all that, the notion that Yankee Stadium will render Giambi harmless is just plain silly.    From Wordnik.com.  [USATODAY.com - Yankee Stadium won't fence Giambi in] Reference

Its harm can be mitigated or directed in harmless directions (ie Red Sox vs. Yankees), but never removed.    From Wordnik.com.  [The Volokh Conspiracy » AG Blumenthal’s Record] Reference

Often with only an hour or two notice, groups of folks, of various ages, gather to participate in harmless, goofy activity.    From Wordnik.com.  [Hijinks Ensue] Reference

You see, cousins and curates are regarded as "harmless" -- "detrimentals with the chill off," so to speak.    From Wordnik.com.  [She and I, Volume 1] Reference

And to some, it could also be classified as harmless fun.    From Wordnik.com.  [Archive 2006-08-01] Reference

Play is here defined as harmless pleasure doing neither good nor harm.    From Wordnik.com.  [ART AND PLAY] Reference

You would have to prove that onlyBSD is harmless, which is next to impossible.    From Wordnik.com.  [Linux Journal - The Original Magazine of the Linux Community] Reference

Or if she is, she's fairly harmless, that is, if people don't take her seriously.    From Wordnik.com.  [the secret sense]

Based upon information presented to the OLC by the CIA's John Rizzo, waterboarding was described as harmless.    From Wordnik.com.  [WHAT REALLY HAPPENED] Reference

Nitrogen is comparatively harmless, which is a good thing … since ordinary air is about 78 per cent nitrogen.    From Wordnik.com.  [Car Advice | News Blog] Reference

Those so-called harmless legends can lead to seriously erroneous thought that hinders the way of real progress.    From Wordnik.com.  [Time Trial]

I wonder to what degree we can call the harmless affectation of good-guy devotion described above as aesthetics.    From Wordnik.com.  [Balkinization] Reference

For the most part, though, the Jets have been playfully harmless, which is a lot more entertaining than the standard.    From Wordnik.com.  [NY Daily News] Reference

Hill noted Loughner's described as a harmless high school kid, who started showing signs of disturbing behavior in the last year.    From Wordnik.com.  [Breaking News: CBS News] Reference

The students later described it instead as a "harmless" liquid.    From Wordnik.com.  [South African 'Reitz Four' Plead Guilty In Racist Video Case] Reference

And it's been condoned by society as a "harmless" female pasttime.    From Wordnik.com.  [In Defense of Porno, Part IV] Reference

It’s all good fun, though I’m not sure you could call it harmless.    From Wordnik.com.  [Brian Ruckley · What I Did During The Holidays] Reference

I led a kind of harmless double life, as an individual and as a daughter.    From Wordnik.com.  [Incubus]

The counterfeit trade is not a "harmless" industry as some people may imagine.    From Wordnik.com.  [Mail Call] Reference

Justice Alito argues here for the creation of a new category: "harmless" "structural" errors.    From Wordnik.com.  [Is That Legal?: Supreme Court Archives] Reference

But the host and judges shift Talent over from the "harmless" TV category into the "unwatchable.".    From Wordnik.com.  [Critic's Corner Tuesday] Reference

Then there was the little matter of the Armenian Holocaust, perpetrated by those "harmless" folks.    From Wordnik.com.  [Middle East Politics Divides Progressives] Reference

A kind of harmless and inoffensive black man who wll never make a movie that rattles their sensibilities.    From Wordnik.com.  [Should Will Smith Play Captain America? – Collider.com] Reference

Stripping is seen as a "harmless" activity and the justification is to use the fallacy of anecdotal evidence.    From Wordnik.com.  [Sound Politics: Why Is Seattle Such a Wuss About Strip Clubs?] Reference

The biggest problem (and more real) is the mass production, consumption and disposal of "harmless" plastic bags.    From Wordnik.com.  [Website Supports Plastic Bag Usage] Reference

The Justice Department in a recent court filing argues that use of the honest-services statute was "harmless" error.    From Wordnik.com.  [Judge Denies Bail to Ex-Enron Chief Skilling] Reference

Will a seemingly "harmless" struggle to get a good night's sleep in your prime position your body for ill health later on?.    From Wordnik.com.  [Dr. Michael J. Breus: Sleep Disorder Linked to Risk of Dementia] Reference

France recently experienced three "harmless" accidents that caused polluted water, dead fish and unknown hazards for the population.    From Wordnik.com.  [Mail Call: Globally Green] Reference

Probably (or so I hope) most of the people doing this fantasizing think they're just indulging in a "harmless" thought exercise of sorts.    From Wordnik.com.  [Enough Said] Reference