悪化します（あっかします、aっkashimasu）
- to worsen

The Japanese word 悪化します (pronounced あっかします, *akkashimasu*) means "to worsen," "to deteriorate," "to aggravate," or "to get worse." It describes a situation, condition, or state that is becoming more negative or undesirable. It implies a change from a better or more stable state to a worse one. The verb is a polite form, suitable for formal or general communication.

⚫︎ 病気が悪化します。 Translation: The illness is worsening. ⚫︎ 状況が悪化します一方だ。 Translation: The situation is only getting worse. ⚫︎ 天気が悪化しますそうです。 Translation: It looks like the weather will worsen.

You use 悪化します in situations where something is becoming more unfavorable. It's used in various contexts: medical conditions, economic situations, weather, relationships, or anything that can decline in quality or intensity. Use it when you want to describe a process of worsening, or a change for the worse. It is often used to describe what will happen in the future, as well as situations at present.

悪化します is typically written as 悪化します. ⚫︎ 悪化 (akka) is the noun form, meaning "deterioration" or "worsening." ⚫︎ します (shimasu) is the polite ます-form of the verb する (suru), meaning "to do" and, in this context, makes 悪化 into a verb, "to worsen." ⚫︎ The verb is always written in hiragana and kanji. ⚫︎ Other conjugations include: 悪化する (to worsen – dictionary form), 悪化しました (worsened – past tense polite), 悪化して (worsening – te-form), 悪化しない (does not worsen – negative form).

⚫︎ 劣化します (*rettakashimasu*) - to deteriorate (especially for physical objects or materials). ⚫︎ 低下します (*teikashimasu*) - to decline, decrease. ⚫︎ 悪くなります (*warukunarimasu*) - to become bad; to get worse (more general). ⚫︎ 劣化する (*rettakasu*) - to degrade

⚫︎ 改善します (*kaizen shimasu*) - to improve. ⚫︎ 向上します (*koujou shimasu*) - to improve, to make progress. ⚫︎ 良くなります (*yokunariimasu*) - to get better. ⚫︎ 回復します (*kaifukushimasu*) - to recover

彼の体調はだんだん悪化します。 ・Translation: His physical condition is gradually worsening. ・Explanation: This sentence describes the gradual worsening of someone's health. The use of だんだん (*dandan*) "gradually" emphasizes the progressive nature of the deterioration.

経済状況が悪化しますので、注意が必要です。 ・Translation: Because the economic situation is worsening, caution is necessary. ・Explanation: This sentence uses 悪化します to describe a negative change in the economic climate, highlighting the need for vigilance or prudence.

The word 悪化 is composed of two kanji: 悪 (*aku*, or *waru-*) meaning "bad," "evil," "wrong," or "worsened" and 化 (*ka*) meaning "to change," "to transform," or "to become." 悪化 (*akka*) combines these meanings to create the concept of "becoming worse" or "deterioration." The verb form 悪化します is created by adding the polite verb suffix, します (*shimasu*), to the noun form.