Definition of phenomenon:
- An appearance; anything visible; whatever, in matter or spirit, is apparent to, or is apprehended by, observation; as, the phenomena of heat, light, or electricity; phenomena of imagination or memory.
- That which strikes one as strange, unusual, or unaccountable; an extraordinary or very remarkable person, thing, or occurrence; as, a musical phenomenon.
actuality, good, appearance, event, fact, event, wonderment, happening, astonishment, real, reality, aspect.
prodigy (part of speech: noun)