This is the 9203rd most frequent Japanese word.
猛
Fierce; intense; vigorous.
猛 is used here to describe the dog as fierce, emphasizing its aggressive nature.
猛犬が素早く吠えている。
The fierce dog is barking rapidly.
猛 is used here to intensify the verb 'study,' conveying a sense of extreme or passionate effort.
彼は猛勉強をして試験に合格した。
He studied intensely and passed the exam.
猛 is used here to describe the hot weather as fierce or intense, emphasizing the extremity of the heat.