調査します（ちょうさします、chousashimasu）
- to investigate

The Japanese word 調査します, pronounced ちょうさします, means "to investigate," "to examine," "to research," or "to survey." It implies a detailed and systematic examination of a subject to discover and establish facts. It involves gathering information, analyzing data, and potentially drawing conclusions based on the findings. The subject of the investigation can vary widely, encompassing anything from a criminal case to market trends or scientific phenomena.

⚫︎事件について調査します。 Translation: I will investigate the incident. ⚫︎市場の動向を調査します。 Translation: I will investigate market trends. ⚫︎新しい薬の効果を調査します。 Translation: We will research the effects of the new medicine.

調査します is a formal verb and is suitable for use in business settings, academic contexts, or any situation where a degree of politeness is required. It's often used when presenting findings, making official announcements, or discussing research projects. It's important to use it when referring to the actions of an organization or a third party, and when you want to show respect to the person you are speaking with. For informal situations, there are less formal alternatives (See "Synonyms" below).

調査します is typically written with kanji and hiragana: 調査します. The kanji 調査 means "investigation" or "research." The verb itself is a ます-form verb, and the ます comes from します, which means "to do." The okurigana (the hiragana following the kanji) is always します. Variations of 調査します include 調査する (the dictionary form), 調査した (past tense), and 調査している (present continuous).

⚫︎調べる (しらべる): to investigate, to examine, to look into. This is a more casual term. ⚫︎研究する (けんきゅうする): to research, to study. This implies a more academic or in-depth investigation. ⚫︎探求する (たんきゅうする): to seek, to pursue (knowledge or truth). This emphasizes a deeper exploration. ⚫︎検討する (けんとうする): to consider, to examine, to discuss. This implies a review of available information before making a decision.

There aren't direct antonyms for 調査します, as it is a verb of action. The opposite of "investigation" would be a lack of investigation, which can be expressed in different ways depending on context. For example: ⚫︎無視する (むしする): to ignore ⚫︎見過ごす (みすごす): to overlook

警察は事件の原因を調査します。 ・Translation: The police will investigate the cause of the incident. ・Explanation: This sentence illustrates a formal context where a formal verb like 調査します is appropriate to use, describing the official actions of the police.

会社は新しい製品の市場調査を調査します。 ・Translation: The company will research the market for the new product. ・Explanation: This demonstrates the use of 調査します in a business-related setting, indicating an examination of market conditions.

The word 調査 is a compound word formed from two kanji: 調 (chou) which means "to investigate", "to examine", "to prepare" and 査 (sa) which means "to investigate", "to examine". The verb suffix します comes from the verb する meaning "to do". The combination of the kanji with します creates the verb meaning "to investigate" or "to research".