Children's, Intermediate and Advanced Online English Dictionary & Thesaurus

Comprehensive
Dictionary Suite
Help
Help
Help
 
   
Display options
Show syllables
Show Lookup History
Double-Click Lookup
  Show Spanish support
 
Pronunciation
Wordsmyth
  Phonics
  IPA
 
Entry formats
Standard
  Classic
 
Lookup History
theory

the·o·ry

theory

 
pronunciation:
thir i
features:
Word Explorer
part of speech: noun
inflections: theories
definition 1: a proposed explanation of something, usu. based on abstract reasoning.
He decided to test out his theory.
 
similar words:
assumption, concept, conjecture, hypothesis, idea, postulate, speculation, supposition, surmise, thesis
definition 2: the body of principles underlying an area or field.
music theory
synonyms:
doctrine, science
similar words:
laws, philosophy, principles, school
definition 3: a speculative view or opinion.
I have a theory about his disappearance.
synonyms:
conjecture, speculation
similar words:
belief, divination, feeling, guess, intuition, notion, supposition, view
Word Explorer
See
  learn, science, thought