Definition

A person's sun sign, moon sign, and rising sign (ascendant) in astrology, considered the three core components of their birth chart that shape identity, emotion, and outward personality. Often used as shorthand for understanding someone's astrological profile.

Example Usage

My big three is Leo sun, Scorpio moon, and Virgo rising, which explains why I'm dramatic but secretly analytical.

Origin

Popularized in modern astrology discourse, particularly on social media platforms like TikTok and Twitter in the 2010s-2020s.

Fun Fact

Calculating your accurate big three requires knowing your exact birth time and location, not just your birth date.

Source: Definition backfill (hailey)

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