HackerVoca

acute : pointed, sharp, intense adjective

1 having a very strong effect or felt very strongly: intense pain | The heat was intense.

2 there is intense activity, effort etc when people are working, trying, or thinking extremely hard: a period of intense concentration and study

3 having feelings or opinions that are extremely strong, serious etc: She can be so intense, it makes me exhausted. | an intense young man

?intensely adverb : intensely exciting
?intensity noun [uncountable] , poignant, severe, fierce,violent, keen, shrewd