thematic

American  

[thee-mat-ik] / θiˈmæt ɪk /

adjective

1. of or relating to a theme.

2. Grammar.

   1. (of a word or words) of, relating to, or producing a theme or themes.

   2. (of a vowel) pertaining to the theme or stem: the thematic vowel ends the stem and precedes the inflectional ending of a word form, as i in Latin audiō “I hear.”

---

thematic British  

/ θɪˈmætɪk /

adjective

1. of, relating to, or consisting of a theme or themes

2. linguistics denoting a word that is the theme of a sentence

3. grammar

   1. denoting a vowel or other sound or sequence of sounds that occurs between the root of a word and any inflectional or derivational suffixes

   2. of or relating to the stem or root of a word

---

noun

1. grammar a thematic vowel

   ``-o-'' is a thematic in the combining form ``psycho-''

Other Word Forms

• nonthematic adjective
• nonthematically adverb
• thematically adverb
• unthematic adjective
• unthematically adverb

Etymology

Origin of thematic

1690–1700; < Greek thematikós, equivalent to themat- (stem of théma theme ) + -ikos -ic

Explanation

When you visit a museum and the cat paintings are grouped together in one room, and the fruit paintings in another, you could conclude that the curator favors a thematic arrangement, meaning grouped by topic, rather than chronologically or by artist. Thematic relationships are everywhere. You could apply a thematic arrangement to your closet, putting the 1970s disco-wear in one section and your motorcycle gear in another. When you're studying the works of Charles Dickens, finding the thematic similarities across all the novels helps you remember them more easily. That song your garage band has been working on has a thematic development, too, starting with a line of melody, changing it a little, taking it in a different direction, then returning to the theme.

Example Sentences

The shift from politics to piety is not just thematic.

From Salon • Apr. 18, 2026

They also like thematic opportunities such as defense.

From MarketWatch • Apr. 14, 2026

That sets up what the team calls an “unusual opportunity for significant ‘idiosyncratic’ or thematic divergences through the earnings season.”

From Barron's • Apr. 13, 2026

“With a particular project, you tend to go more thematic, or it’s just maybe the place that we’re both in in our lives of loving a particular aesthetic,” he says.

From Los Angeles Times • Mar. 15, 2026

When the curtain descends on this current wave of attention and the thematic celebrations cool down, my sisters and I will remain proud.

From "The Autobiography of Malcolm X" by Alex Malcolm X;Hailey