On this page13 sections
- Quick picker
- Words for "very interesting"
- When it is interesting because it is puzzling
- When it holds your attention
- When it makes you think
- When it is new or unusual
- When it is important, not just interesting
- Casual and spoken alternatives
- Before and after: replace "interesting" with the reason
- Words to use with care
- Opposites
- Practice
- Quick answers
Good synonyms for interesting are fascinating (very interesting), intriguing (interesting because it is puzzling), engaging (holds your attention), compelling (hard to ignore or put down), thought-provoking (makes you think) and absorbing (pulls you in completely). In casual speech, cool, neat and fun often do the job. The best choice depends on why something is interesting — and saying why is usually the real fix for a weak “interesting”.
“Interesting” is one of the vaguest adjectives in English: it tells the reader you noticed something but not what you noticed. It can even be a polite way of saying you don’t like something (“Well… that’s an interesting colour”). The lists below sort the alternatives by meaning, with a sentence for each, then show how to replace the word in essays, reviews and conversation.
Quick picker
| It is interesting because… | Try |
|---|---|
| it is very interesting | fascinating, captivating, riveting |
| it is a puzzle or a mystery | intriguing, curious, puzzling |
| it holds your attention | engaging, absorbing, gripping, engrossing |
| it makes you think | thought-provoking, illuminating, insightful, eye-opening |
| it is new or unusual | novel, original, unusual, striking, unexpected |
| it is persuasive or important | compelling, significant, notable, noteworthy |
| it is fun | entertaining, lively, enjoyable, fun |
| (casual) you liked it | cool, neat, awesome, wild |
Words for “very interesting”
These are stronger than “interesting” and can replace “very interesting” or “really interesting” outright.
| Word | What it adds | Example |
|---|---|---|
| fascinating | strong, lasting interest; the safest all-purpose upgrade | The museum has a fascinating room of old maps. |
| captivating | it charms you and holds you; good for performers and stories | Her talk on deep-sea fish was captivating. |
| riveting | you cannot look away; often for drama and sport | The final set was riveting. |
| gripping | exciting and tense; the usual word for thrillers | It’s a gripping story about a family hiding a secret. |
| enthralling | completely holds you, slightly literary | The children sat enthralled by the puppet show. |
| spellbinding | almost magical hold; reviews and blurbs | A spellbinding first novel. |
Do not add “very” to these: “very fascinating” sounds odd because the word already means “very interesting”. Say “absolutely fascinating” if you need more force.
When it is interesting because it is puzzling
- intriguing — makes you want to know more: “The letter ends with an intriguing question.”
- curious — strange in a way that catches your attention: “There’s a curious mark on the back of the painting.” (Careful: “a curious child” means one who wants to know things.)
- puzzling — you cannot explain it yet: “The results are puzzling.”
- mysterious — hidden or unexplained: “A mysterious stranger rented the flat upstairs.”
- tantalising (US tantalizing) — a hint that makes you want more: “The trailer gives a tantalising glimpse of the new city.”
When it holds your attention
- engaging — pleasant and easy to stay with; common for teachers, writers and lessons: “She’s an engaging speaker.”
- absorbing — you forget everything else: “Building the model was an absorbing project.”
- engrossing — very close to absorbing: “an engrossing biography”.
- compelling — you feel you have to keep reading or watching; also used for arguments: “a compelling documentary”.
- page-turner (noun) — a book you can’t put down: “Her new mystery is a real page-turner.”
When it makes you think
These are the best choices for essays, reviews and reports, because they say what the thing did to you.
| Word | Meaning | Example |
|---|---|---|
| thought-provoking | raises questions you keep thinking about | The film ends on a thought-provoking scene. |
| illuminating | helps you understand something better | The chapter on trade routes is illuminating. |
| insightful | shows deep understanding (often of a person or their work) | Thank you for your insightful comments on my draft. |
| eye-opening | shows you something you did not know, often surprising | Volunteering at the food bank was eye-opening. |
| stimulating | makes you think actively; often for conversations and classes | We had a stimulating discussion about free will. |
| informative | full of useful facts — but not necessarily interesting | The leaflet is short and informative. |
When it is new or unusual
- novel — new and original, mostly about ideas and methods: “a novel approach to recycling glass”.
- original — not copied: “Her design is genuinely original.”
- striking — immediately noticeable: “There’s a striking difference between the two maps.”
- unusual / unexpected — plain and honest: “The survey found an unexpected result.”
- remarkable — worth remarking on, often impressive: “She made a remarkable recovery.”
When it is important, not just interesting
In academic writing, “interesting” is often standing in for a claim about importance. Say the claim instead:
- significant — matters for the argument (in science, also “statistically significant”, so use it carefully).
- notable / noteworthy — deserves attention: “A notable exception is Finland.”
- compelling — convincing: “The authors present compelling evidence.”
- relevant — connected to the question: “This is relevant because…”
Our page on another word for important goes further with these.
Casual and spoken alternatives
- cool / neat — “That’s a neat trick.” (Neat is especially American.)
- fun — “The quiz was really fun.”
- wild — surprising and a bit crazy: “That’s wild — I never knew that.”
- a must-see / a must-read — strongly recommended.
- right up your street (UK) / right up your alley (US) — exactly the kind of thing you like.
Before and after: replace “interesting” with the reason
- Essay: “The poem has an interesting ending.” → “The poem ends on an unexpected image: the narrator burns the letter she has been writing.”
- Book review: “An interesting read.” → “A gripping read — I finished it in two evenings.”
- Feedback to a colleague: “Interesting presentation!” → “Your chart on delivery times was eye-opening; I hadn’t realised weekends were the bottleneck.”
- Cover letter: “I find marketing very interesting.” → “I’m drawn to marketing because I enjoy testing what makes people click.”
- Conversation: “Oh, interesting.” → “Really? How did that happen?” — a question often shows more interest than any adjective.
Words to use with care
- Interesting as a polite criticism. “That’s… an interesting choice” usually means “I don’t like it.” If you mean praise, use a clearer word.
- Interested vs interesting. Interesting describes the thing; interested describes the person. “I’m interesting in history” is a common learner mistake; say “I’m interested in history” — “History is interesting.”
- Curious has two meanings (strange / wanting to know). “A curious teacher” is ambiguous.
- Exciting is not the same: an exciting match makes your heart race; an interesting lecture makes you think.
- Funny once meant “strange” too (“funny peculiar or funny ha-ha?”), so “a funny result” can mean an odd one.
Opposites
For the other side: boring, dull, tedious (boring and too long), monotonous (the same all the time), bland (no strong features), uninspiring, forgettable. For livelier ways to say it, see idioms for boring and metaphors for boring.
Practice
Choose the best word: fascinating, intriguing, thought-provoking, gripping, eye-opening, engaging.
- The thriller was so ______ that I missed my bus stop.
- Mr Patel is an ______ teacher; nobody looks at their phone in his class.
- The documentary about factory farms was ______ — I had no idea how chickens were raised.
- The note under the door was signed only with an ______ letter “K”.
- The debate about AI and art was ______; we argued about it all the way home.
- Octopuses are ______ animals: they can change colour in a fraction of a second.
Answers: 1 — gripping. 2 — engaging. 3 — eye-opening. 4 — intriguing. 5 — thought-provoking. 6 — fascinating.
Correct or not? (a) “It was a very fascinating trip.” (b) “I’m interesting in photography.” (c) “The authors make a compelling case.”
Answers: (a) better without “very”: “a fascinating trip”. (b) incorrect: “I’m interested in photography.” (c) correct.
Quick answers
What is a better word for interesting? Fascinating for general use, intriguing for something puzzling, engaging for something that holds attention, and thought-provoking for ideas.
What is a fancy word for interesting? Captivating, enthralling, spellbinding or riveting — mostly used in reviews and descriptive writing.
What can I say instead of “very interesting”? Fascinating, absorbing, or “absolutely fascinating” for extra force.
What is a formal word for interesting? Noteworthy, notable, significant or illuminating, depending on whether you mean “worth attention”, “important” or “helpful for understanding”.
For comparisons rather than single words, see similes for interesting. More synonym pages: another word for explain and another word for show.