coupledomn.
/ˈkʌpldəm/, U.S. /ˈkəpəldəm/ The state or condition of being (part of) a couple (couple n. 5a); attitudes or behaviour typical of two people in a romantic or sexual relationship.
ΚΠ
1978 A. Phillips & J. Rakusen Our Bodies Ourselves iv. 76 Though we started out as four couples, most of us were interested in moving away from ‘coupledom’.
1983 Listener 16 June 28/2 At the other end are Claudio..and the other members of his group..liberated from the tyranny of what they will keep calling coupledom.
1994 United Church Observer Oct. 50/2 There are not many resources out there for single people. Society is biased toward coupledom.
2002 Daily Tel. 18 Jan. 21/8 Even biology can be overcome. We are not biologically programmed to be monogamous, and yet we strive for coupledom and marriage.
This is a new entry (OED Third Edition, September 2002; most recently modified version published online March 2022).
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n.1978