topic

noun

top·​ic ˈtä-pik 

1

a

: the subject of a discourse or of a section of a discourse

b

: a heading in an outlined argument or exposition

2

a

: argument, reason

b

: one of the general forms of argument employed in probable reasoning

Synonyms

• theme
• matter
• subject
• question
• motif

Examples of topic in a Sentence

He is comfortable discussing a wide range of topics.

topics such as health and fitness

Recent Examples on the Web

The show is equal parts investigation into the craft of writing and conversation about the topics of an author’s work. —Literary Hub, 27 Oct. 2025

Support journalism that digs deeper into topics that matter most to Arkansans. —Arkansas Online, 26 Oct. 2025

The case was a constant topic of conversation in the community, said Sigg, an ophthalmic technician who was raising her two boys after getting divorced from their father years earlier. —Dakin Andone, CNN Money, 26 Oct. 2025

Anthropic’s cloud deal with Google also figures to be a topic of conversation on the call. —Kevin Stankiewicz, CNBC, 26 Oct. 2025

Word History

Etymology

Latin Topica Topics (work by Aristotle), from Greek Topika, from topika, neuter plural of topikos of a place, of a topos, from topos place, topos

First Known Use

circa 1569, in the meaning defined at sense 2b

Phrases Containing topic

• sub-topic
• topic of discussion
• topic sentence

Rhymes for topic

• tropic
• adrenocorticotropic
• anisotropic
• gonadotropic
• heterotopic
• kaleidoscopic
• ophthalmoscopic
• stereoscopic
• submicroscopic
• anthropic
• atopic
• ectopic

Kids Definition

topic

noun

top·​ic ˈtäp-ik 

1

: a heading in an outline of a subject or explanation

2

: the subject or a section of a subject (as of a speech or a report)