Impossible
مستحيل (mustahīl) is an adjective meaning 'impossible' or 'inconceivable.' It describes something that cannot happen, exist, or be done under any circumstances. This word is commonly used in everyday Arabic to express strong negation or disbelief about the feasibility of an action or situation.
Worksheets, games, and lesson plans for Years 1-11
Get a new Arabic word delivered to your inbox every day — with pronunciation, meaning, and cultural context.
من المستحيل أن أنهي هذا المشروع في يوم واحد.
Min al-mustahīl an anhi hādhā al-mashru' fī yawm wāhid.
It is impossible for me to finish this project in one day.
قال إنه مستحيل أن يصل إلى هناك قبل الغروب.
Qāl innahu mustahīl an yasil ilā hunāk qabl al-ghurūb.
He said it's impossible to reach there before sunset.
هذا الحل مستحيل من الناحية العملية.
Hādhā al-hall mustahīl min al-nāhiyah al-'amaliyyah.
This solution is impossible from a practical standpoint.
يبدو مستحيلاً أن تعيش بدون إنترنت في هذا الزمان.
Yabdu mustahīlan an ta'īsh bidūn internet fī hādhā al-zamān.
It seems impossible to live without internet in this era.
المستحيل ليس موجوداً في قاموس الناجحين.
Al-mustahīl laysa mawjūdan fī qāmūs al-nājih īn.
The impossible does not exist in the dictionary of successful people.
In Arabic-speaking cultures, the word مستحيل is frequently used in both formal and informal contexts to express strong skepticism or to dramatically emphasize the difficulty of a situation. Arabs often use this word not only to describe literal impossibilities but also to express exasperation or to motivate others by suggesting that what seems impossible can be achieved with determination, reflecting the cultural value placed on perseverance and overcoming challenges.
Remember that مستحيل can function as both a predicate adjective (following a noun with 'is') and as part of the phrase 'من المستحيل أن' (it is impossible to/that), which typically introduces a dependent clause. When used with 'من' (from/of), it creates an idiomatic expression commonly used in everyday speech. Be careful not to confuse it with related words like 'متعذر' (difficult but not necessarily impossible) or 'نادر' (rare).
The Arabic word مستحيل (mustahīl) is a fundamental adjective that means "impossible" or "inconceivable." It comes from the root ح-ي-ل (h-y-l), which relates to changing or transforming. The word structure itself suggests something that cannot be transformed or changed into reality.
مستحيل is classified as a derived adjective (صفة مشتقة) in Arabic grammar. It follows the pattern "مُفْتَعِل" (muftaʿal), which typically denotes states or conditions that are perpetual or habitual. As an adjective, it agrees with the noun it modifies in terms of gender and number in its full forms, though the masculine singular form is most commonly used in neutral or general statements.
When used predictively (as part of a complete sentence), it often appears after the verb "to be" (كان, أصبح) or in the idiomatic construction "من المستحيل أن" (min al-mustahīl an), meaning "it is impossible to/that."
مستحيل expresses the absolute impossibility of an action, state, or occurrence. Unlike words like "صعب" (difficult) or "متعذر" (hard to achieve), مستحيل indicates a fundamental and categorical impossibility—something that cannot exist or happen under any conceivable circumstances.
The word can be used in various contexts:
The most frequent usage pattern in modern Arabic is "من المستحيل أن" (min al-mustahīl an), which translates to "it is impossible for (someone) to" or "it is impossible that." This phrase is followed by a verb in the subjunctive mood (الفعل المضارع المنصوب).
Other common expressions include:
In Arab culture, مستحيل plays an interesting role in daily communication. While the word literally means "impossible," it's frequently used rhetorically to express strong skepticism or to emphasize difficulty rather than absolute impossibility. This reflects the cultural value placed on determination and the belief that many seemingly impossible things can be achieved through persistence and effort.
Arab motivational speakers and leaders often use the phrase "المستحيل ليس موجوداً" (The impossible doesn't exist) to inspire people to overcome challenges. This demonstrates how the word, while maintaining its literal meaning, carries deeper connotations about resilience and human potential in Arabic-speaking societies.
Understanding مستحيل becomes easier when comparing it with related vocabulary:
When learning to use مستحيل, remember that it's almost always preceded by the preposition "من" (from/of) in the phrase "من المستحيل أن," making it an idiomatic expression. This construction is so common that it's better to memorize the entire phrase rather than treating the adjective in isolation.
Also note that while مستحيل can stand alone as a predicate adjective ("This is impossible"), the "من المستحيل أن" construction is far more natural and frequently used in authentic Arabic speech and writing.
Final tip: Don't overuse مستحيل in formal writing. Arabic offers more nuanced alternatives for different degrees of difficulty or feasibility. Reserve مستحيل for truly impossible situations to maintain precision in your communication.
مستحيل (mustahīl) is an essential vocabulary word for learners of Arabic, particularly because of its frequent appearance in everyday conversations and its importance in expressing absolute negation or impossibility. Whether used literally or rhetorically, understanding this word and its related expressions will significantly enhance your ability to communicate naturally in Arabic.