shack up
informal— phrasal verb with shack uk/ʃæk/us/ʃæk/verb
to start living in the same house as sexual partners, without being married:
I hear Tony and Helen have shacked up together.
She is shacking up with her boyfriend.
Thesaurus: synonyms and related words
Marriage, cohabitation & other relationships
- adulteress
- affinal
- as husband and wife idiom
- be an item idiom
- be shacked up idiom
- hear wedding bells idiom
- hitched
- honest
- husband
- intermarriage
- marriage counseling
- marriage equality
- marriage guidance
- marriageable
- marry
- marry in haste, repent at leisure idiom
- shack
- something
- together
- wedlock
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