Acute
Part of speech: noun
Definition: An acute accent.
Part of speech: verb
Definition: To give an acute sound to.
Part of speech: adjective
Definition: Urgent. sensitive Short, quick. Of an angle, fewer than 90 degrees. Of a triangle, acute-angled. With the sides meeting directly to form a pointed acute angle at the apex, base, or both. Of an abnormal condition of recent or sudden onset, in contrast to delayed onset; this sense does not imply severity (unlike the common usage). Of a short-lived condition, in contrast to a chronic condition; this sense also does not imply severity. Having an acute accent.
Example sentence: I think we all suffer from acute blindness at times. Life is a constant journey of trying to open your eyes. I'm just beginning my journey, and my eyes aren't fully open yet.
Needlelike
Part of speech: adjective
Definition: Resembling a needle in shape