The difference between Acute and Acute-angled
When used as adjectives, acute means brief, quick, short, whereas acute-angled means of a triangle, having three acute angles.
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 Acute-angled
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Acute as an adjective:
Brief, quick, short.
Examples:
"synonyms fast rapid"
"antonyms leisurely slow"
"It was an acute event."
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Acute as an adjective:
High or shrill.
Examples:
"an acute accent or tone"
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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."
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Acute as an adjective:
Urgent.
Examples:
"synonyms emergent pressing suddurgent"
"His need for medical attention was acute."
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Acute as an adjective (botany):
With the sides meeting directly to form an acute angle (at an apex or base).
Examples:
"synonyms obtuse"
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Acute as an adjective (geometry):
Of an angle: less than 90 degrees.
Examples:
"antonyms obtuse"
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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"
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Acute as an adjective (linguistics, chiefly, historical):
Of an accent or tone: generally higher than others.
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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."
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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."
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Acute as an adjective (orthography):
After a letter of the alphabet: having an acute accent.
Examples:
"The last letter of ‘café’ is ‘e’ acute."
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Acute as a noun (medicine):
A person who has the acute form of a disorder, such as schizophrenia.
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Acute as a noun (linguistics, chiefly, historical):
An accent or tone higher than others.
Examples:
"antonyms grave"
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Acute as a noun (orthography):
An acute accent (´).
Examples:
"The word ‘cafe’ often has an acute over the ‘e’."
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Acute as a verb (transitive, phonetics):
To give an acute sound to.
Examples:
"He acutes his rising inflection too much."
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Acute as a verb (transitive, archaic):
To make acute; to sharpen, to whet.
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Acute-angled as an adjective (geometry):
Of a triangle, having three acute angles.