What is obtuse? Pronunciation and usage in English

obtuse means . Learn how to pronounce and use obtuse through vivid examples and easy-to-understand exercises.

Definition & pronunciation of obtuse

obtuseadjective

/əbˈtjuːs//əbˈtuːs/

Okay, let's break down how to pronounce "obtuse." It's a tricky one for English speakers! Here's a breakdown:

1. Phonetic Transcription (for the most accurate sound):

  • /ˈɒbtəs/ (This is what a phonetics chart would show)

2. A Step-by-Step Guide:

  • "Ob-": This sound is like the "ob" in "object." It's a short, open "o" sound – think of saying "oh" quickly.
  • "-tuse": This is the tricky part.
    • "t-": This is a simple "t" sound.
    • "-use": This sounds like "loose" without the "s." It's a long "oo" sound, like in "moon" or "zoo." The "e" at the end is almost silent.

3. Putting it Together - A common way to say it:

  • “Ob-toose” – This is a very common and understandable pronunciation. It's close enough that most people will understand you.

4. Tips for Getting it Right:

  • Stress: The stress is on the first syllable ("ob-").
  • The "use" sound: Really focus on making that long "oo" sound as in “loose”. Don’t let it sound like “tube.”
  • Don’t overemphasize the “t”: It’s a gentle tap of the tongue.

Resources for Hearing the Pronunciation:

Would you like me to:

  • Repeat the pronunciation slowly?
  • Give you a few example sentences using "obtuse"?

Usage and examples with the word obtuse in English

Let's break down how to use the word "obtuse." It's a fascinating word with a surprisingly specific meaning – and it can be tricky to get right!

1. Core Meaning: Slow to Understand

At its most basic, "obtuse" describes someone who is slow to understand, unresponsive, or lacking in perception. It’s often used to describe a person's mind or attitude.

2. Different Usages & Nuances:

Here’s a breakdown of how you can use “obtuse” in different contexts, with examples:

  • Describing a Person's Personality: This is the most common use. It suggests someone isn't quick-witted or perceptive.

    • Example: "He was incredibly obtuse and refused to see any logic in my argument."
    • Example: "Don't be so obtuse; you clearly understand what I'm saying."
    • Example: "She has an obtuse manner that can be frustrating to deal with."

  • Describing a Physical Object (Specifically, a Dull Angle): Historically, "obtuse" originally referred to a blunt or rounded corner. It's less common now, but still used.

    • Example: "The table had obtuse corners, making it difficult to move."

  • Describing a Response (Unhelpful or Vague): You can use it to describe a reply that doesn't address the issue.

    • Example: "His obtuse reply – 'That's interesting' – didn't actually answer my question."

  • Describing an Attitude (Reckless, Uncooperative): It can imply a resistance to reason or a stubborn unwillingness to engage.

    • Example: "His obtuse refusal to compromise was damaging the negotiations."

3. Synonyms (Similar Words):

  • Slow-witted
  • Dull
  • Dense
  • Thick
  • Unperceptive
  • Unresponsive
  • Unresponsive

4. Important Note: Tone & Connotation

"Obtuse" is often considered a slightly negative word. It can be perceived as critical or even insulting. Use it cautiously and consider if a gentler word would be more appropriate. Words like "slow," "unsympathetic," or “troublesome” might be better choices in some situations.

5. Common Phrases:

  • "To be obtuse" – To be slow to understand or to respond in an unhelpful way. (“He’s always obtuse when it comes to finances.”)
  • "Don't be obtuse" – Don't be slow to understand; don't be unresponsive.

Example combining several elements:

"I tried to explain the complex problem to him, but he was being incredibly obtuse, offering only vague and unhelpful comments. It was frustrating to deal with someone so unresponsive to my concerns."

To help me give you even more tailored advice, could you tell me:

  • What context are you thinking of using "obtuse" in? (e.g., writing a story, describing a person, etc.)

Synonyms for the word obtuse

Practice with vocabulary obtuse

Exercise 1: Fill in the blanks

  1. Despite repeated explanations, his reaction to the complex instructions remained rather __________, indicating a struggle to grasp the core concepts.
  2. In geometry, a triangle with one interior angle measuring 110 degrees is classified as an __________ triangle.
  3. The consultant's report was so __________ that management spent days debating its true meaning and implications.
  4. A truly __________ leader can anticipate market shifts and respond effectively to emerging challenges.

Exercise 2: Choose the correct answer

  1. Which of the following words can describe someone who is notably slow in understanding or perceiving things? a) astute b) dense c) perceptive d) obtuse e) sharp

  2. Identify the term(s) used to describe an angle that measures more than 90 degrees but less than 180 degrees. a) acute b) right c) obtuse d) reflex e) straight

  3. When a person consistently misses obvious social cues or lacks emotional intelligence, they might be characterized as: a) insightful b) empathetic c) obtuse d) insensitive e) discerning

  4. Which word(s) best describe a speaker who delivers a long, uninspired, and tedious presentation? a) monotonous b) engaging c) captivating d) vibrant e) boring

  5. If a contract clause is phrased in a way that allows for several different interpretations, it can be described as: a) explicit b) unequivocal c) ambiguous d) clear-cut e) vague

Exercise 3: Rewrite the sentences

  1. Original: He seemed completely unaware of the subtle sarcasm in her voice. Rewrite using "obtuse" or a related word form:
  2. Original: The architect designed a unique window with a corner opening wider than 90 degrees. Rewrite using "obtuse" or a related word form:
  3. Original: The instructions for assembling the new equipment were not clear, causing much frustration. Rewrite using a suitable replacement word for "not clear" (do not use "obtuse"):

Answer:

Exercise 1: Fill in the blanks

  1. Despite repeated explanations, his reaction to the complex instructions remained rather obtuse, indicating a struggle to grasp the core concepts.
  2. In geometry, a triangle with one interior angle measuring 110 degrees is classified as an obtuse triangle.
  3. The consultant's report was so ambiguous that management spent days debating its true meaning and implications.
  4. A truly perceptive leader can anticipate market shifts and respond effectively to emerging challenges.

Exercise 2: Choose the correct answer

  1. b) dense, d) obtuse
  2. c) obtuse
  3. c) obtuse, d) insensitive
  4. a) monotonous, e) boring
  5. c) ambiguous, e) vague

Exercise 3: Rewrite the sentences

  1. Rewrite: He seemed obtuse to the subtle sarcasm in her voice.
  2. Rewrite: The architect designed a unique window with an obtuse corner.
  3. Rewrite: The instructions for assembling the new equipment were unclear (or confusing / vague / incoherent), causing much frustration.

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