取引先・取り引き先|とりひきさきtorihikisaki

1. nouncustomer; client; client company; business connection; trade partner
   営業員えいぎょういんをこの新あたらしい取引先とりひきさきに派遣はけんしてください。↗

   Please send your sales reps to this new account.

• Synonym顧客こきゃくNeutralA customer as the buying party, more formal and businesslike, as in 「顧客満足度」; it centres on the buyer's role rather than the trading relationship that 取引先 names.
• SynonymクライアントNeutralLoanword for a client who commissions work, common in advertising, law and similar professions; narrower than 取引先, which covers any business counterpart.
• Synonym客きゃくNeutralThe broadest word here: any guest, visitor or customer, not specifically a business counterpart like 取引先. Also covers spectators and passengers.
• Synonym得意先とくいさきNeutralA regular customer who buys from you repeatedly, as in 「得意先を回る」; stresses the long-term buying relationship, while 取引先 covers any business dealings.
• Relatedお客様おきゃくさまNeutralThe polite, service-industry way to refer to a customer; it centres on the person being served rather than on a business counterpart.
• Related常連じょうれんNeutralA regular at a particular shop or establishment, as in 「常連客」; stresses frequent visits rather than the business relationship of 取引先.
• Related買い手かいてNeutralThe buyer's side of a transaction, opposed to the seller; it names a trading role and need not imply the ongoing dealings that 取引先 suggests.
• RelatedカスタマーNeutralLoanword for customer; it mostly turns up in set compounds such as 「カスタマーサポート」.
• Related依頼者いらいしゃNeutralThe person who commissions work, somewhat formal; typical of lawyers' and detectives' clients. 取引先 is broader, covering companies you trade with.
• Relatedお客さんおきゃくさんCasualA friendly, colloquial way to say customer, more casual than 「お客様」; it is not a term reserved for business dealings between companies.
• Related客筋きゃくすじNeutralThe clientele or customer base of a shop, as in 「客筋がいい」; refers to the group and the class of customers, not an individual business partner.
• Related依頼人いらいにんNeutralSame meaning as 「依頼者」: the client who places a request, common in legal or detective settings; 取引先 is the wider business term.
• Related常客じょうきゃくNeutralA regular customer, close to 「常連」 but more written/formal in tone; stresses frequent patronage, not the trading relationship of 取引先.
• Related常得意じょうとくいNeutralAn old-fashioned word for a regular customer, rarely used today; in everyday speech say 「得意先」 instead.
• Related得意客とくいきゃくNeutralA valued regular customer, as in 「得意客をもてなす」; it stresses how important the customer is, whereas 取引先 simply names a party you do business with.
• Relatedなじみ客なじみきゃくNeutralA familiar regular with a warm, personal feel, typical of small restaurants and shops; stresses the acquaintance, not business dealings.

Use 「取引先」 for companies or clients you do business with, as in 「取引先と打ち合わせ」. For long-term customers say 「得意先」; for store customers, 「お客様」. 「顧客」 is formal business talk, 「クライアント」 fits advertising or legal clients, 「客」 is the broad everyday word, and 「常連」 and 「なじみ客」 are shop regulars.

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

1. おもに商業しょうぎょうの取り引とりひきの相手方あいてがた。