This is the 2419th most frequent Japanese word.
マイナス
"マイナス" means "minus" or "negative."
マイナス is used here to describe a negative numerical value, specifically temperature.
今日の朝はとても寒くて、気温はマイナス5度でした。
This morning was very cold, and the temperature was minus 5 degrees.
マイナス conveys a metaphorical sense of negativity or drawbacks in this context.
彼の意見にはマイナスの側面がいくつかあります。
There are some negative aspects to his opinion.
マイナス is employed here to signify an unfavorable or adverse effect.