Wiktionary
a. direct, one-to-one. adv. 1 facing one another. 2 directly, one-to-one. alt. direct, one-to-one.
WordNet
adj. involving two persons; intimately private; "a tete-a-tete supper"; "a head-to-head conversation" [syn: tete-a-tete]
inconclusive as to outcome; close or just even in a race or comparison or competition; "as they approached the finish line they were neck and neck"; "the election was a nip and tuck affair" [syn: neck and neck, nip and tuck]
adv. even or close in a race or competition or comparison; "the horses ran neck and neck"; "he won nip and tuck" [syn: neck and neck, nip and tuck]
Usage examples of "head-to-head".
What Ben did not know was that Lan Villar, Khamsin, Ashley, Kenny Parr, and the outlaw bikers had pulled together what remained of their shattered forces after butting head-to-head with the Rebels in the Northwest, and were heading for Alaska, a spot that Ben had decided to investigate after cleaning out southern California.
There was another head-to-head conference, with eight long tail sections sticking out and wobbling, the gauntleted claspers working convulsively.
She lost sight of Cleg Trotter, and when she saw him again his father's arm was around his shoulder, and the two great bear-size men were talking head-to-head.
What was General Crespin doing, playing head-to-head with a pilot who was doubtless willing to give up his life to buy the admiral a little extra time?
Edgar Ingram quickly realized that competing head-to-head with the franchised giants would not work, so instead he decided to capitalize on White Castle's unique image and strengths.
He's built his company skillfully, but we're going to require massive infusions of cash for the next phase, when we go head-to-head with Sony and Philips in product development.
They don't go head-to-head with chemical engineers and systems analysts.