Demonstrate vs Illustrate

When to use each in English, with meaning, register, and examples.

Demonstrate

Top 1,000 (very common)B2verb

Illustrate

Top 1,000 (very common)B2verb
 DemonstrateIllustrate
Pronunciation🇬🇧 /["/ˈdemənstreɪt/","/ˈdemənstreɪts/","/ˈdemənstreɪtɪd/","/ˈdemənstreɪtɪŋ/"]/🇺🇸 /["/ˈdemənstreɪt/","/ˈdemənstreɪts/","/ˈdemənstreɪtɪd/","/ˈdemənstreɪtɪŋ/"]/🇬🇧 //ˈɪl.ə.streɪt//🇺🇸 //ˈɪl.ə.streɪt//
Meaningto show something clearly by giving proof or examplesTo make something clear by showing or explaining it.
ExampleThe scientist will demonstrate the new experiment to the students.The teacher used a map to illustrate the geography lesson.
RegisterNeutralNeutral
How commonTop 1,000 (very common)Top 1,000 (very common)
CEFR levelB2B2
Part of speechverbverb
Collocationsamply, beyond doubt, clearly, to, amply, beyond doubt, clearly, to, amply, beyond doubt, clearly, to, peacefully, against, forillustrate a point, illustrate with examples, illustrate a concept
Antonymsconceal, hide, obscureconfuse, obscure
Common mistakesUsing 'demonstrate' with a subject instead of an object (e.g., 'demonstrate to the audience' instead of just 'demonstrate')., Confusing 'demonstrate' with 'illustrate' — 'illustrate' often refers to showing through drawings or visuals., Using 'demonstrate' in overly informal settings, where simpler terms may be more appropriate.Confused with 'demonstrate' - not all illustrations are demonstrations., Using 'illustrate' without an object; it requires something to illustrate., Incorrectly using 'illustrate' for non-visual explanations.
Usage notesUse 'demonstrate' when presenting information, especially in educational or professional contexts. Avoid in casual conversations where simpler words like 'show' might suffice.Use 'illustrate' when describing the act of explaining creatively, often with images. It's not commonly used in informal contexts.

Frequently asked questions: Demonstrate vs Illustrate

What's the difference between Demonstrate and Illustrate?

Demonstrate: to show something clearly by giving proof or examples Illustrate: To make something clear by showing or explaining it.

Are Demonstrate and Illustrate the same CEFR level?

Demonstrate: B2, Illustrate: B2 on the CEFR scale.

What part of speech are Demonstrate and Illustrate?

Demonstrate: verb, Illustrate: verb.

Can you show an example of each?

Demonstrate: The scientist will demonstrate the new experiment to the students. Illustrate: The teacher used a map to illustrate the geography lesson.

Can I use Demonstrate and Illustrate interchangeably?

Not always. Demonstrate and Illustrate are related and overlap in some contexts, but they differ in register, how common they are, and usage, so swapping one for another can change the meaning or tone. Check the differences above before substituting.

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