• WordNet 3.6
    • adj unobtrusive not obtrusive or undesirably noticeable "a quiet, unobtrusive life of self-denial"
    • ***
Webster's Revised Unabridged Dictionary
    • a Unobtrusive Not obtrusive; not presuming; modest.
    • ***
Century Dictionary and Cyclopedia
    • unobtrusive Not obtrusive; not forward; modest; inconspicuous.
    • ***
Chambers's Twentieth Century Dictionary
    • adj Unobtrusive un-ob-trōō′siv not obtrusive or forward
    • ***


  • John Keats
    “Poetry should be great and unobtrusive, a thing which enters into one's soul, and does not startle it or amaze it with itself, but with its subject.”


In literature:

There was order and system and a smooth, unobtrusive service in that home.
"Poor Man's Rock" by Bertrand W. Sinclair
I attempted unobtrusively to warn Brower, but he only looked up, nodded vaguely, and continued his fumbling efforts to free me.
"The Killer" by Stewart Edward White
Peter's sigh was very unobtrusive.
"The Lee Shore" by Rose Macaulay
In fact, to employ a paradox, it was so unobtrusive as to be almost spectacular.
"The Skipper and the Skipped" by Holman Day
Like his grandfather, Henry wished to rule in person with the help of faithful but unobtrusive subordinates.
"The History of England" by T.F. Tout
Courteous, sympathetic, unobtrusive, patriotic, knightly, and beneficent, he was a part of the soil of Virginia itself.
"Memorial Addresses on the Life and Character of William H. F. Lee (A Representative from Virginia)" by Various
Fashdor was established at his seat, his belongings spread out, and Dane, counting unobtrusively, was certain that the council was now complete.
"Plague Ship" by Andre Norton
Mr. Blank was standing unobtrusively in the shadow of the wall.
"More William" by Richmal Crompton
His eye is as keen as the hawk's, and many a time "by keeping his eyes skinned" he has done useful, if unobtrusive, work.
"The Story of Baden-Powell" by Harold Begbie
Having secured those things he proceeds slowly and unobtrusively to instruct them.
"Public Speaking" by Clarence Stratton

In poetry:

In its unobtrusive sweetness,
In its purity, and meetness
For contented minds;
And the beautiful completeness
Man in Nature finds.
"Country Life" by Martin Farquhar Tupper
Mild, as thy manners, do the colours rise,
As soft and unobtrusive meet the view;
And, when the varied notes the ear surprize,
We own the harmony as strictly true.
"To Miss Rouse Boughton" by Matilda Betham
And other flowers, in unobtrusive light,
Issue in many hues into their birth,
Seeming like God's sweet wishes, in the night,
Flung down to all His creatures upon earth.
"Oh, Glorious Time!" by Alexander Anderson
The minister's long fields are still with dews of summer wet;
The roof that sheltered Mistress Hale tradition points to yet.
Green be her memory ever kept all over Cape-Ann-Side,
Whose unobtrusive excellence awed back delusion's tide!
"Mistress Hale Of Beverly" by Lucy Larcom

In news:

The Croissan'Time crepes have just a hint of that divine French pastry flavor, and they're light, tender, and unobtrusive, like a good piano player cradling a song.
Unobtrusive online backup for any number of PCs.
Unobtrusive packaging allows the consumer to interact with the products at retail, expanding or collapsing them.
SGA headquarters installs unobtrusive conferencing technology.
Gear4's Sleep Monitor Succeeds in Being Unobtrusive , But Do People Still Buy iPhone Docks.
An Unobtrusive Man's Odyssey: Polite Student to Suicide Hijacker.
Chat was at a low volume and the background music was unobtrusive, but on closer listening it turned out to be Fairytale of New York.
Some over-the-air (OTA) antennas are actually unobtrusive and kind of cool looking.
Russound's New Camera Door Station Offers Unobtrusive Surveillance.
Control4 and CloseBy Network team up to create an affordable, unobtrusive monitoring system.
Providing exceptional Wi-Fi performance in a sleek design that allows for unobtrusive mounting within a ceiling or wall.
Cut out eyeholes somewhere unobtrusive.
The lightning system shown at the peak of this house is unobtrusive but effective.
Those are fairly unobtrusive, but just about everything else ticks me off.
Instead, it detects unobtrusive, passive retro-reflective targets placed in the studio environment using a scanning laser-based measurement system.

In science:

Learning Users’ Interests by Unobtrusively Observing their Normal Behavior.
A Connection-Centric Survey of Recommender Systems Research
It is essential that term clamping has to work in a most unobtrusive way, requiring as little thought from the end user as possible, or such a system would be perceived as clumsy and unusable when it comes to real-world applications.
A novel approach to symbolic algebra
Although a sophisticated type system is made available to the programmer, it remains unobtrusive in the sense that one is never required to specify types.
Julia: A Fast Dynamic Language for Technical Computing