astrology

UK: /əˈstrɒlədʒi/ US: /əˈstrɑlədʒi/ ,(ə strol′ə jē)

WordReference Random House Learner's Dictionary of American English © 2025

as•trol•o•gy /əˈstrɑlədʒi/   n. [uncountable]

1. Astrology the belief that heavenly bodies influence human affairs; the study of such influence.

as•trol•o•ger, as•trol•o•gist, n. [countable]
as•tro•log•i•cal /ˌæstrəˈlɑdʒɪkəl/  adj. See -astro-.

WordReference Random House Unabridged Dictionary of American English © 2025

as•trol•o•gy  (ə strol′ə jē), n. 

1. the study that assumes and attempts to interpret the influence of the heavenly bodies on human affairs.
2. [Obs.] the science of astronomy.

• Greek. See astro-, -logy
• Latin astrologia
• 1325–75; Middle English

as•trol′o•ger, as•trol′o•gist, n. 
as•tro•log•i•cal  (a′strə loj′i kəl), as′tro•log′ic, as•trol•o•gous  (ə strol′ə gəs), adj.  as′tro•log′i•cal•ly, adv. 

Collins Concise English Dictionary © HarperCollins Publishers::

astrology / əˈstrɒlədʒɪ/ noun

1. the study of the motions and relative positions of the planets, sun, and moon, interpreted in terms of human characteristics and activities
2. the primitive study of celestial bodies, which formed the basis of astronomy

Etymology: 14th Century: from Old French astrologie, from Latin astrologia, from Greek, from astrologos (originally: astronomer); see astro-, -logy

asˈtrologer, asˈtrologist noun

astrological / ˌæstrəˈlɒdʒɪk^əl/, astrologic / ˌæstrəˈlɒdʒɪk/ adjective