Definition of synastry in English:

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Pronunciation: /sɪˈnastri/


[mass noun] Astrology
Comparison between the horoscopes of two or more people in order to determine their likely compatibility and relationship.
Example sentences
  • Her expertise covers both traditional horary astrology as well as modern techniques ranging from forecasting, synastry (for relationships), to business advice including financial planning and personnel recruitment.
  • Professionally written, beautifully presented astrology relationship reports - synastry reports - are now on sale in our new age shop.
  • There are many factors to be taken into account when practising synastry, so let's take a look at some of the major ones.


Mid 17th century: via late Latin from Greek sunastria, from sun- 'together' + astēr, astr- 'star'.

For editors and proofreaders

Line breaks: syn|astry

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