expatiate

/eks'peiʃieit/
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expatiate

The professor expatiated on the topic during his lecture.

Definition
  1. Verb:
    • To speak or write about something in great detail or at considerable length. This often involves expanding upon a topic with elaborate explanations, examples, or digressions.
    • To elaborate on a subject in a comprehensive, learned, or discursive manner, typically in speech or writing.
Usage and Examples
  • Verb:
    • The professor would often expatiate on the philosophical implications of the text for the entire lecture.
    • In his memoir, the author expatiates on his childhood experiences, providing rich context for his later decisions.
    • The speaker was asked to expatiate upon the initial point, as the audience wanted more detailed information.
Advanced Usage and Nuances
  • The verb expatiate is almost always followed by the prepositions on or upon (e.g., to expatiate on/upon a theme).
  • It carries a formal or academic tone and implies a thorough, sometimes even leisurely or lengthy, exploration of a subject. It can sometimes have a slightly negative connotation of being overly long-winded.
  • "To expatiate at length": To discuss a topic in a very detailed and prolonged manner.
    • The critic expatiated at length on the film's historical inaccuracies.
Variants and Related Words
  • Expatiation (noun): The act of speaking or writing about something in great detail.
    • His expatiation on the topic left no question unanswered.
Synonyms
  • Elaborate: To add more detail to something.
  • Dilate: To speak or write at length (often used with or ).
  • Enlarge: To express in greater detail (often used with or ).
  • Expound: To explain or present a theory or idea in detail.
Antonyms
  • Summarize: To give a brief statement of the main points.
  • Abridge: To shorten a piece of writing without losing the sense.
  • Condense: To make something more concise.
Related Phrases and Idioms
  • To hold forth: To speak at length in a forceful or authoritative way. (This is a less formal synonym that can sometimes imply a monologue.)
    • He held forth on his theories for hours.
expatiate

The professor expatiated on the topic during his lecture.

Verb
  1. add details, as to an account or idea; clarify the meaning of and discourse in a learned way, usually in writing
    • She elaborated on the main ideas in her dissertation

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