make more complicated; " There was a new development that complicated the matter"

Folded together, or upon itself, with the fold running lengthwise.

To fold or twist together; to combine intricately; to make complex; to combine or associate so as to make intricate or difficult.

To make confused or hard to understand, involve.

To twist or plait together: to render complex: to entangle.

To entangle; render difficult or complex.

To make or become complex, difficult, or perplexing; mix; confuse; entangle.

Complex; folded together.

To intertangle; to make complex or intricate.

To fold and twist together; to involve; to entangle; to make intricate; to confuse.

Intricate; confused.

Folded; insect wings; leaves folded longitudinally so that the right and left halves are in contact.

That might complicate things. – Will Warburton by George Gissing

Still swollen, it was of a clear brown, in which you could see the browner trouts darting to and fro with such a slippery gliding, that the motion seemed the result of will, without any such intermediate and complicate arrangement as brain and nerves and muscles. – Annals of a Quiet Neighbourhood by George MacDonald

The only thing feared by Deerfoot was that some of the other Pawnees would soon reach the spot and complicate matters, but, while the apparent conqueror was sanguine that he commanded the situation, Deerfoot knew he was master from the first. – Footprints in the Forest by Edward Sylvester Ellis

" I hope so," Mr. Saltoun said, uncomfortably conscious that the death of Dale might seriously complicate the lifting of the mortgage. – The Heart of the Range by William Patterson White

If they caught Ingleby it would complicate the thing. – Delilah of the Snows by Harold Bindloss

Possibly she thought it would complicate the topic she was hankering after. – When Ghost Meets Ghost by William Frend De Morgan

It would complicate the problem of finding her, but at least he could assure himself she was safe. – The Cartels Jungle by Irving E. Cox, Jr.

Then I'm not sure that my turning up again would greatly complicate the situation. – Masters of the Wheat-Lands by Harold Bindloss

Nor would it be true to say that these intelligence bureaus will complicate life. – Public Opinion by Walter Lippmann

They would be of no use to us in a row and might even complicate matters. – Allan and the Holy Flower by H. Rider Haggard

But the presence of the latter on that side of the river, was of importance to the Sauk and Jack Carleton, and was likely to complicate the situation. – Footprints in the Forest by Edward Sylvester Ellis

To complicate matters still further, the name 'Deist' was loosely applied as a name of reproach to men who, in the widest sense of the term, do not come within its meaning. – The English Church in the Eighteenth Century by Charles J. Abbey and John H. Overton