'ultimate relationship' is a correct and usable expression in written English.
You can use it to refer to a relationship that is of a very high quality, either between two people or between two entities. It is usually used to describe things that are of the maximum quality that can be achieved in a relationship. For example, "Their ultimate relationship is the envy of everyone around them."
Wanderlust is my ultimate relationship requirement.
Surely heresy relates to disagreements over metaphysical principles, like the ultimate relationship of God and man, while "false theology" can simply imply an inaccurate application of those principles.
And because obesity is determined by lack of exercise as well as calorie intake, its ultimate relationship with health costs is more tenuous than that of, say, smoking.
Naturally, the people to convince them to do these fine things are the Clintons, the ultimate relationship brokers and dealmakers, with the help of an entourage of A-list celebrities.
I've had two or three serious relationships, I haven't been married, I haven't had that ultimate relationship where something clicks and I'm like, 'I get it now!' I'm still learning".
In the hallways, participants were invited to further their self-improvement with CDs and DVDs, including "Total Commitment Package" for $647 and "Love & Passion: The Ultimate Relationship Program" for $249.
Using our own product forces me to assume the role of the ultimate customer relationship manager.
Equations to determine the moment curvature relationship, ultimate moment capacity, and minimum flexural reinforcement ratio are explicitly derived.
The load-displacement relationship, ultimate capacity, strain distribution of GFRP plates and steel bars, and crack development were measured during the test.
The load and displacement relationship, ultimate flexural resistance, strain distribution on GFRP plate and concrete slab were measured during the test.
(Universal, Blu-ray $36.98, standard definition $29.98, R) THE TIME-TRAVELER'S WIFE Rachel McAdams finds herself in the ultimate long-distance relationship, married to a man (Eric Bana) who suddenly and unpredictably departs on journeys through time.
