形容词

1. （情况）严重的；（感觉）强烈的
You can use acute to indicate that an undesirable situation or feeling is very severe or intense.

2. 急性的
An acute illness is one that becomes severe very quickly but does not last very long.

3. （感官）灵敏的
If a person's or animal's sight, hearing, or sense of smell is acute, it is sensitive and powerful.

4. 敏锐的；有洞察力的
If you say that someone is acute or has an acute mind, you mean that they are quick to notice things and are able to understand them clearly.

1. a mark (') placed above a vowel to indicate pronunciation

Synonym: acute accentague