COHABIT, COHABITING
ADJECTIVES
1900 — PALLED-IN living with a woman; said of a man → sl.
1970 — BATCHED UP said of a man and woman who are not married but live together as if they were → Amer. dial.
NOUNS
1970 — L.T.R. a Living Together Relationship, marriage in all by the legalities → sl.
1971 — LIGHT HOUSEKEEPING the activities of a male and a female living together unmarried → US sl.
NOUNS – PERSON
1698 — TALLYMAN a man who cohabits with a woman without marriage → sl.
1812 — MOLLISHER a female cohabiting with a man, who jointly get their living by thieving; a thief’s mistress; a wife → sl.
1837 — TALLY-HUSBAND a man who cohabits with a woman without marriage
1860 — TALLY-WIFE a woman living with a man to whom she is not married → Eng. dial.
1890 — TALLYWOMAN a woman living with a man to whom she is not married
.20C — L.I.L. a person’s unmarried partner for the time being; Live-In Lover → Brit colloq.
1916 — BIDE-IN a person who lives with another without marriage → Sc. colloq.
1916 — BIDIE-IN a person who lives with his or her partner in a non-marital relationship; a cohabiting partner → Sc. colloq.
1950 — SHACK JOB the person with whom one lives → sl.
1968 — COUSINS a man and woman who are not married but live together as if they were → Amer. dial. euphemism
1968 — OUTSIDE WIFE a woman who lives with a man, but is not married to him → Amer. dial.
1986 — BEDMATES an unmarried couple who live together or who share a bed for sexual purposes at a location other than the home of either partner → sl. (Bk.)
PHRASES
..19C — MARRIED ON THE CARPET AND THE BANNS UP THE CHIMNEY living together as though man and wife → Brit. sl.
VERBS
1500 — ACCOMPANY to cohabit
..19C — JOIN GIBLETS to cohabit as man and wife without being married → sl.
..E19 — DAB IT UP (WITH) to cohabit → sl.
1825 — COT to cohabit; to dwell with one in the same house → Sc.
.M19 — PAL IN — PAL IN WITH to cohabit with a woman; said of a man
1861 — MAP AND MELL to live with a man at board and bed, as a wife with her husband → Sc.
1877 — LIVE ON TALLY to cohabit without marriage → sl.
1879 — LIVE TALLY to live together as man and wife without being married → Eng. dial.
..L19 — TAKE AND GIVE to live, esp. as man and wife → rhyming sl.
..L19 — TAKE GRUEL TOGETHER to live together as man and wife → sl.
1905 — TALLY to live as man and wife without being married → Eng. dial. (Bk.)
1928 — LAY UP to cohabit → Amer. dial.
1930 — CRAM to cohabit → Amer. dial.
1931 — TREAD to cohabit → Amer. dial.
1935 — SHACK UP — SHACK UP TOGETHER — SHACK UP WITH to cohabit, esp. as lovers → sl.
1944 — BROUSE to cohabit → Amer. dial.
1965 — LIVE IN ADULTERY to live together outside of marriage → Amer. dial.
1965 — TAKE UP to live together without marriage → Amer. dial.
Lexicophilia 