The signs as a single word
Aries: Cynosure (noun)- a person or thing that attracts a lot of attention or interest.
Taurus: Lissome (adjective)- thin and graceful.
Gemini: Penumbra (noun)- a space of partial illumination (as in an eclipse) between the perfect shadow on all sides and the full light.
Cancer: Demesne (noun)- manorial land actually possessed by the lord and not held by tenants.
Leo: Lilt (noun)- the attractive quality of speech or music that rises and falls in a pleasing pattern.
Virgo: Offing (noun)- the part of the deep sea seen from the shore.
Libra: Susurrous (noun)- Full of whispering sounds.
Scorpio: Furtive (adjective)- done in a quiet and secret way to avoid being noticed.
Sagittarius: Harbinger (noun)- something that shows what is to come.
Capricorn: Woebegone (adjective)- looking or feeling very sad.
Aquarius: Dulcet (adjective)- Pleasant to hear.
Pisces: Redolent (adjective)- causing thoughts or memories of something.