近い|ちかいchikai[2]nakadaka (mid-high)

1. i-adjectivenear; close; short (distance)
2. i-adjectiveclose (in time); soon
   クリスマスが近ちかくなってきた。↗

   Christmas is fast approaching.
3. i-adjectiveclose (relationship); friendly; intimate
4. i-adjectiveclosely related
5. i-adjectivesimilar; almost the same; close to; nearly

• Synonym間近まぢかNeutralNeutral. Very close in space or time with a sense of imminence, as in 「試験が間近だ」 or 「間近で見る」; it stresses something looming right ahead, not general closeness.
• Synonym手近てぢかNeutralNeutral. Close at hand or within arm's reach, also for things commonly found around one, as in 「手近な材料」; nearness to oneself, whereas 「近い」 works between any two points.
• Synonym身近みぢかNeutralNeutral. Close to oneself and part of daily life, as in 「身近な問題」; it can mean physically near oneself, but stresses personal relevance and familiarity more than 「近い」 does.
• Synonym間近いまぢかいWrittenWritten/formal prose. Imminent or right at hand, much like 「間近」 but less common and more bookish.
• Synonym密接みっせつWrittenWritten/formal prose. Closely connected, as in 「密接な関係」 or 「密接に関わる」; it can also mean physically adjacent, but mostly describes how tightly two things are linked.
• Synonym程近いほどちかいWrittenWritten/formal prose. Not far off, said mostly of location, as in 「駅から程近い」; it covers place, not time or relationships.
• Synonym身近いみぢかいWrittenWritten/formal prose. Close and familiar to one, but very rare; in everyday speech say 「身近」 instead.
• Related親しいしたしいNeutralNeutral. Matches only the relationship sense of 「近い」: deep, affectionate closeness, as in 「親しい友人」; it never refers to distance or time.
• Related親密しんみつWrittenWritten/formal prose. An intimate, close relationship, as in 「親密な関係」; it leans toward writing and describes the bond itself, not distance.
• Related緊密きんみつWrittenWritten/formal prose. Tightly linked, as in 「緊密な連携」; typical of ties between organizations, stressing close coordination rather than nearness.
• Related気安いきやすいCasualColloquial. Relaxed and familiar in manner, as in 「気安い仲」; 「気安く」 can also carry a note of reproach for being too familiar.
• Related懇意こんいWrittenWritten/formal prose. On close, friendly terms, as in 「懇意にしている」; it describes an ongoing warm acquaintance, not physical or temporal closeness.
• Related隣接したりんせつしたWrittenWritten/formal prose. Physically adjoining or adjacent, as in 「隣接した建物」; used mainly for geography and buildings, not for time or feelings.
• Related別懇べっこんWrittenWritten/formal prose. Especially intimate, but very rarely used; more for recognition than active use.
• Related心安いこころやすいCasualColloquial. So close that no formality is needed, but slightly old-fashioned and rare in daily conversation.
• Antonym遠いとおいNeutralNeutral. The direct antonym of 「近い」: far in distance or time, or distant in relationship; use it when you mean the opposite of near.

Use 「近い」 for nearness in distance, time, or relationship. For something imminent pick 「間近」; for what touches your own life, 「身近」; for deep friendship, 「親しい」; for tight ties, 「密接」 or 「緊密」. 「遠い」 is the antonym; the rest are mostly written or colloquial terms for narrower shades.

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

1. 二ふたつの物ものの間あいだの距離きょりが小ちいさい。
2. 時間的じかんてきな隔へだたりが小ちいさい。
3. 人間関係にんげんかんけいが親したしい。血ちの繋つながりが密接みっせつ。
4. 近眼きんがんである。
5. 性質せいしつや内容ないようが似にている。