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Back-to-back

//ˌbæk.təˈbæk// adj, adv, noun, slang

Adjective

1
Sequential or consecutive. not-comparable
"Ruth and Gehrig hit back-to-back home runs."
2
With one's back facing that of somebody else. not-comparable
3
Emerging in exactly opposite directions. broadly, not-comparable
"Seen in laboratory frame the photon-jet pair is not any longer back-to-back and the energy balance is distorted."
4
Having a party wall at the rear. not-comparable
"We lived in a row of back-to-back houses."
5
Synonym of wired (“being a pair in seven card stud with one face up and one face down”). not-comparable, slang

Adjective

Adverb

1
Alternative form of back to back. alt-of, alternative, not-comparable
"A ScotRail Driver: [...] A good friend of mine overshot two stations back-to-back a couple of years ago. He tried to stop at one station and slid by it. Tried to stop at the next station. He slid by that, too."

Noun

1
A house with a party wall at the rear.
2
One of a pair of rig workers who are rostered on alternately.
""He's been standing-by in town for the last week, talk to his back-to-back on the rig in the morning." ("Back-to-back" is the man on the rig who does your job when you're not there."

Unscramble this word: backtoback