5.ADJ An acute accent is a symbol that is placed over vowels in some languages in order to indicate how that vowel is pronounced or over one letter in a word to indicate where it is stressed. very serious or severe; an acute illness is one that becomes very bad very quickly; used for describing pain that is very strong and sharp acute： 侧重感觉敏锐，能分辨出一般人难以觉察的细微区别。 Acute Technology inc. provides professional PC-Based measuring instruments. such as logic analyzers, oscilloscopes, data generators, protocol analyzers. More Information. Acute Technology inc. provides professional PC-Based measuring instruments. such as logic analyzers, oscilloscopes, data generators, protocol analyzers. More information. You can use acute to indicate that an undesirable situation or feeling is very severe or intense. The war has aggravated an acute economic crisis. acute adjective (EXTREME) If a bad situation is acute, it causes severe problems or damage: You can use acute to indicate that an undesirable situation or feeling is very severe or intense. The war has aggravated an acute economic crisis. The report has caused acute embarrassment to the government. The labour shortage is becoming acute. For such a short and simple-looking word, acute has a rather bewildering range of meanings. It first entered the English language with a medical sense, referring to the sharpness or severity of a symptom. acute adjective (EXTREME) If a bad situation is acute, it causes severe problems or damage.