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unsecured + noun
此结构用于金融语境，指没有抵押或担保的贷款、债务等。
The company took out an unsecured loan to cover its debts.
这家公司为了偿还债务申请了一笔无担保贷款。
未固定牢的；未系紧的
先理解核心含义，再看它在真实句子里的用法。
未固定牢的；未系紧的
not firmly fastened or secured
The company took out an unsecured loan to cover its debts.
这家公司为了偿还债务申请了一笔无担保贷款。
未物理固定的；未系紧的；未附着的。
Not physically secured; not fastened; not attached.
未在任何意义上得到保障的。
Not made secure in any sense.
(贷款或担保)无抵押的；无担保品的。
Of a loan or guarantee, without collateral.
She applied for an unsecured loan to pay for her kitchen renovation.
她申请了一笔无担保贷款来支付厨房翻新的费用。
An unsecured credit card usually charges a higher interest rate than a secured card.
无担保信用卡通常比担保信用卡收取更高的利率。
The loan is unsecured, so the lender cannot automatically take your property if you stop paying.
这笔贷款是无担保的，所以如果你停止还款，放贷机构不能自动拿走你的财产。
此结构用于金融语境，指没有抵押或担保的贷款、债务等。
The company took out an unsecured loan to cover its debts.
这家公司为了偿还债务申请了一笔无担保贷款。
此结构多用于物理意义，表示未固定牢或未系紧。
The window was unsecured, so the thief got in easily.
那扇窗户没有锁好，所以小偷轻易就进来了。
这是“使某物处于未固定状态”的常用表达，强调人为疏忽。
Never leave your bicycle unsecured in the city center.
千万不要把自行车不锁就放在市中心。
Not this
The bank approved an insecure loan.
Use this
The bank approved an unsecured loan.
在金融语境中，'insecure' 意为“缺乏安全感的、不保险的”，不能表达“无抵押贷款”的概念；表示贷款没有抵押品或还款保证时，应用 'unsecured'（无担保的）。这是受中文“不安全”误导而造成的词语混淆。
Not this
The ladder unsecured, so it fell.
Use this
The ladder was unsecured, so it fell.
中文形容词可无系动词直接作谓语（“梯子没固定”），但英语形容词作表语必须与系动词搭配。'unsecured' 是形容词，不能单独作谓语，须写成 'was unsecured' 构成完整的过去时句子。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
无抵押贷款
He used an unsecured loan to pay for the renovation.
他用无抵押贷款支付翻修费用。
无担保债务
Credit card balances are usually unsecured debt.
信用卡余额通常属于无担保债务。
无担保信用卡
With no credit history, she started with an unsecured credit card.
由于没有信用记录，她先从无担保信用卡开始。
无担保债权人
Unsecured creditors may receive little if the company goes bankrupt.
如果公司破产，无担保债权人可能拿不到多少钱。
无担保债券
The company issued unsecured bonds to raise capital.
该公司发行无担保债券来筹集资金。
未固定牢的货物
An unsecured load can be dangerous on the highway.
未固定牢的货物在高速公路上可能很危险。
Use unsecured naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
前缀un-表示“未”，secured是“已 secured”，联想：没 secured = 没固定牢 / 没抵押担保。
语域：mixed 常见场景：everyday safety/physical fastening、finance/lending 该词两个主要含义的语域不同：表示“未固定牢/未系紧”时通常用于日常安全描述；表示“无担保/无抵押”（如贷款）时多用于金融、法律等正式场合。整体属于中性偏正式，需根据搭配对象判断。
金融语境中常作定语修饰 loan、debt 等；物理语境中可作表语表示“未固定牢的”。
Dictionary facts from ECDICT, WIKTIONARY.