मैं असहमत हूँ।

• मैं = I
• असहमत = not in agreement / disagreeing
• हूँ = am

So the structure is literally I am not in agreement, which is why it is commonly translated as I disagree.

Yes. It is made from:

• सहमत = in agreement / agreeing
• अ- = a negative prefix, similar to un- or dis- in English

So:

• सहमत = agreeing
• असहमत = disagreeing / not agreeing

This is a very common pattern in Hindi and Sanskrit-based vocabulary.

हूँ is the first-person singular present form of होना (to be).

In this sentence, असहमत is describing your state, so Hindi uses the equivalent of am:

• मैं असहमत हूँ = I am in disagreement / I disagree

If you leave out हूँ, the sentence can sound incomplete in standard Hindi, though in casual speech people may sometimes shorten it.

Yes, often you can.

Hindi frequently drops subject pronouns when they are already clear from context. Since हूँ already shows first person singular, असहमत हूँ can still mean I disagree.

Compare:

• मैं असहमत हूँ = full, clear, neutral
• असहमत हूँ = natural in conversation when the subject is obvious

Keeping मैं can add emphasis or clarity.

No, असहमत normally stays the same for masculine and feminine.

So both a man and a woman can say:

• मैं असहमत हूँ

What changes is usually the form of to be if the subject changes in person or number, not the word असहमत itself.

For example:

• मैं असहमत हूँ = I disagree
• वह असहमत है = He/She disagrees
• हम asahmat हैं = We disagree

They are very close in meaning, but there is a slight nuance.

• मैं असहमत हूँ = I disagree
• मैं सहमत नहीं हूँ = I am not in agreement / I do not agree

Both are correct and natural.

A rough difference:

• असहमत can sound a bit more direct or formal
• सहमत नहीं हूँ can sound a bit softer or more conversational in some contexts

In many real situations, either one works.

Use से after the person or thing you disagree with.

Examples:

• मैं आपसे असहमत हूँ = I disagree with you
• मैं तुमसे असहमत हूँ = I disagree with you
• मैं इस बात से असहमत हूँ = I disagree with this point
• मैं इस निर्णय से असहमत हूँ = I disagree with this decision

So the pattern is:

[subject] + [person/thing] + से + असहमत + होना

A simple pronunciation guide is:

• मैं ≈ main but with a nasal sound
• असहमत ≈ a-sa-ha-mat
• हूँ ≈ hoon with nasalization

Together:

main asahmat hoon

A few notes:

• मैं is not exactly the same as English main
• ह in असहमत should be clearly pronounced
• हूँ has a nasal vowel, so it is not just plain hoo

Yes, absolutely.

If someone gives an opinion, you can simply reply:

• मैं असहमत हूँ

It is a complete sentence. In conversation, you may also hear shorter replies such as:

• असहमत हूँ
• मैं सहमत नहीं हूँ

But मैं असहमत हूँ is a safe, clear full response.

The word असहमत stays the same, but the form of होना changes.

Examples:

• मैं असहमत हूँ = I disagree
• तुम असहमत हो = You disagree
• आप असहमत हैं = You disagree
• वह असहमत है = He/She disagrees
• हम असहमत हैं = We disagree
• वे असहमत हैं = They disagree

So the main thing to learn is the correct form of to be:

• हूँ
• हो
• है
• हैं

It is generally neutral to slightly formal.

It sounds perfectly natural in:

• discussions
• debates
• meetings
• writing
• polite disagreement

If you want something a bit softer in everyday conversation, many speakers also say:

• मैं सहमत नहीं हूँ

So:

• मैं असहमत हूँ = clear, direct, somewhat formal/neutral
• मैं सहमत नहीं हूँ = also natural, often a little softer

Yes. The related noun is असहमति, which means disagreement.

Compare:

• मैं असहमत हूँ = I disagree
• हमारी असहमति है = There is disagreement between us / We have disagreement

This is useful because Hindi often has related adjective and noun forms:

• असहमत = disagreeing, not in agreement
• असहमति = disagreement