The difference between Acute and Obtuse-angled

When used as adjectives, acute means brief, quick, short, whereas obtuse-angled means of a triangle, having an obtuse angle.


Acute is also noun with the meaning: a person who has the acute form of a disorder, such as schizophrenia.

Acute is also verb with the meaning: to give an acute sound to.

check bellow for the other definitions of Acute and Obtuse-angled

  1. Acute as an adjective:

    Brief, quick, short.

    Examples:

    "synonyms fast rapid"

    "antonyms leisurely slow"

    "It was an acute event."

  2. Acute as an adjective:

    High or shrill.

    Examples:

    "an acute accent or tone"

  3. Acute as an adjective:

    Intense, sensitive, sharp.

    Examples:

    "synonyms kepowerfustrong"

    "antonyms dulobtuse slow witless"

    "She had an acute sense of honour.  Eagles have very acute vision."

  4. Acute as an adjective:

    Urgent.

    Examples:

    "synonyms emergent pressing suddurgent"

    "His need for medical attention was acute."

  5. Acute as an adjective (botany):

    With the sides meeting directly to form an acute angle (at an apex or base).

    Examples:

    "synonyms obtuse"

  6. Acute as an adjective (geometry):

    Of an angle: less than 90 degrees.

    Examples:

    "antonyms obtuse"

  7. Acute as an adjective (geometry):

    Of a triangle: having all three interior angles measuring less than 90 degrees.

    Examples:

    "synonyms acute-angled"

    "antonyms obtuse obtuse-angled"

  8. Acute as an adjective (linguistics, chiefly, historical):

    Of an accent or tone: generally higher than others.

  9. Acute as an adjective (medicine):

    Of an abnormal condition of recent or sudden onset, in contrast to delayed onset; this sense does not imply severity, unlike the common usage.

    Examples:

    "He dropped dead of an acute illness."

  10. Acute as an adjective (medicine):

    Of a short-lived condition, in contrast to a chronic condition; this sense also does not imply severity.

    Examples:

    "antonyms chronic"

    "The acute symptoms resolved promptly."

  11. Acute as an adjective (orthography):

    After a letter of the alphabet: having an acute accent.

    Examples:

    "The last letter of ‘café’ is ‘e’ acute."

  1. Acute as a noun (medicine):

    A person who has the acute form of a disorder, such as schizophrenia.

  2. Acute as a noun (linguistics, chiefly, historical):

    An accent or tone higher than others.

    Examples:

    "antonyms grave"

  3. Acute as a noun (orthography):

    An acute accent (´).

    Examples:

    "The word ‘cafe’ often has an acute over the ‘e’."

  1. Acute as a verb (transitive, phonetics):

    To give an acute sound to.

    Examples:

    "He acutes his rising inflection too much."

  2. Acute as a verb (transitive, archaic):

    To make acute; to sharpen, to whet.

  1. Obtuse-angled as an adjective (geometry):

    Of a triangle, having an obtuse angle.

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