研究|けんきゅうkenkyuu[0]heiban (flat)

1. noun, suru verb, transitive verbresearch; study; investigation
   私はエイズの研究けんきゅうに従事じゅうじしている。↗

   I am engaged in AIDS research.

• SynonymリサーチNeutralNeutral loanword for research and surveys, often used for market research, as in 「マーケットリサーチ」.
• Synonym探究たんきゅうWrittenFormal word for seeking after truth or the essence of things, as in 「探究心」; stresses the quest for knowledge rather than a research project.
• Synonym考究こうきゅうWrittenWritten word for studying a subject in depth, as in 「歴史を考究する」; far rarer than 「研究」.
• Synonym研学けんがくWrittenRare written word for pursuing scholarship; in everyday contexts say 「研究」.
• Related究明きゅうめいWrittenFormal word for investigating thoroughly to bring a cause or the truth to light, as in 「原因究明」; the stress is on establishing what happened, while 「研究」 is broader study.
• Related調査ちょうさNeutralInvestigating actual conditions to gather facts, as in 「アンケート調査」; neutral in register, with no academic-research nuance.
• Related学習がくしゅうNeutralLearning knowledge that already exists, with an emphasis on mastering it; 「研究」 implies exploring the unknown.
• Related分析ぶんせきNeutralBreaking something into its parts to clarify structure or composition, as in 「データ分析」; narrower than 「研究」.
• Related勉強べんきょうCasualColloquial word for studying, with a nuance of hitting the books; 「研究」 sounds more specialized.
• Related解析かいせきWrittenWritten word for fine-grained analysis, common in mathematics and computing, as in 「データ解析」; not a general term for research.
• Related学問がくもんWrittenFormal word covering scholarship as a body of knowledge or its pursuit, as in 「学問をする」; 「研究」 targets a specific topic.
• Related修業しゅうぎょうWrittenWritten word for training to master an art or skill and completing a set course, as in 「修業年限」; not about research.
• Related考察こうさつWrittenWritten word for examining a subject through careful thought, as in 「考察を加える」; frequent in academic papers.
• Related学ぶまなぶNeutralCommon neutral verb for learning from teachers or from experience, as in 「失敗から学ぶ」; unlike 「研究」, it is not about original inquiry.
• Related勉学べんがくWrittenWritten word for diligent study, as in 「勉学に励む」; about working hard at one's studies, not research.
• Related吟味ぎんみWrittenWritten word for scrutinizing something closely or screening it carefully, as in 「食材を吟味する」; close inspection, not research.
• Related修学しゅうがくWrittenWritten word for pursuing one's studies; today it survives mostly in 「修学旅行」 and is rarely used alone.
• Related修めるおさめるWrittenFormal verb for pursuing or mastering learning or an art, as in 「学問を修める」; not about research.
• Related検討けんとうWrittenFormal word for weighing a matter from many angles, as in 「検討します」; about deliberation, not research.
• Related攻究こうきゅうWrittenRare written word for concentrated, in-depth study; use 「研究」 in everyday speech.
• Related討究とうきゅうWrittenRare written word for studying a problem in depth; in daily use prefer 「研究」 or 「検討」.

Default to 「研究」 for academic research on a topic. Use 「調査」 to gather facts, 「究明」 to get to the truth, 「探究」 for the quest for knowledge, 「分析」 or 「解析」 to break data down, 「学習」, 「勉強」 or the verb 「学ぶ」 to learn existing material, 「考察」 for careful reflection in papers, and 「検討」 to weigh options. 「リサーチ」 fits commercial surveys; 「研学」, 「攻究」 and 「討究」 are rare written words.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

1. ものごとを、学問的がくもんてきによく調しらべたり、考かんがえたりすること。