アイデア

also: アイディア · アィディア

ア

イ

デ

ア

Common wordJLPTN4Freq.FrequencyTop 5,000

Meanings

noun

idea

General term for a thought, plan, suggestion, or creative concept. Used in everyday conversation and business contexts.

何なにかいいアイデアはありますか。
Do you have any good ideas?
彼かれのアイデアはとても独どく創そう的てきだ。
His idea is very original.

See all 416 example sentences ›

Usage patterns

アイデアが浮うかぶan idea comes to mind
シャワーを浴あびているときにいいアイデアが浮うかんだ。
A good idea came to me while I was taking a shower.
〈人ひと〉がアイデアを出だすsomeone offers/proposes an idea
会かい議ぎで誰だれかアイデアを出だしてください。
Please suggest an idea at the meeting.
アイデアを練ねるto refine/develop an idea
チームで新しん製せい品ひんのアイデアを練ねった。
The team refined the idea for the new product.
アイデアを実じつ現げんするto make an idea a reality
彼かれはついにそのアイデアを実じつ現げんした。
He finally turned that idea into reality.
アイデアがひらめくan idea flashes/strikes someone
散さん歩ぽ中ちゅうに突とつ然ぜんアイデアがひらめいた。
An idea suddenly struck me while I was on a walk.

Related words· 11

考かんがえN3
考え is a native Japanese word for a thought or idea that can be abstract or philosophical, while アイデア is a loanword emphasizing a concrete, creative, or practical suggestion.
発はっ想そうN2
発想 refers to a way of thinking or a creative approach behind an idea, whereas アイデア points to a specific, individual idea itself.
案あんN3
案 is a more formal, business-like term for a proposal or plan, while アイデア is a casual loanword covering any creative thought.
妙みょう案あん
アイデア is a neutral loanword for any idea, whereas 妙案 carries admiration for the idea's cleverness.

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概がい念ねんN1
アイデア is a casual word for a creative idea or suggestion, while 概念 is a formal term for an abstract conceptual category.
名めい案あんN1
アイデア is a neutral loanword for any idea, whereas 名案 specifically praises the idea as being a good one.
工く夫ふうN2
アイデア is a general loanword for 'idea', while 工夫 stresses the process of thinking up a workable solution or the resulting device.
思おもい付つきN1
アイデア is a neutral loanword for an idea that can be well-developed or original, while 思いつき stresses that the idea just popped into one's head.
趣しゅ向こう
アイデア is a generic, casual loanword for any idea, while 趣向 specifically implies a deliberately clever or original design.
創そう意い
アイデア is a casual loanword for any idea in general, while 創意 specifically emphasizes originality and creative ingenuity.
意い匠しょう
アイデア is a general, casual word for any idea or suggestion, whereas 意匠 implies a more developed, artistic, or inventive conception.

Word family· 7

アイデアマン
idea man; ideas person
アイデア出だし
brainstorming; putting forward ideas
アイデア商しょう品ひん
novelty product; innovative household article
アイデア料りょう理り
innovative dish; novel recipe
グッドアイデア
good idea

Show 2 more

アイデアラッシュ
brainstorming
ジャストアイデア
just an idea; just a thought

Written forms

アイデアUsage73%
Most common katakana spelling; preferred in modern usage.
アイディアUsage27%
Alternate katakana spelling; also widely used but slightly less common than アイデア.

Etymology

Borrowed from English 'idea'. The spelling アイデア reflects a common adaptation of the English pronunciation, while アイディア preserves the original spelling more closely.