mighty in + field
Showing strength in an area
Use in to specify the area where someone or something is powerful.
mighty in battle
mighty in finance
mighty in vs. mighty of
Mighty in is a standard pattern when talking about strength or skill in an area. Mighty of is not a normal adjective pattern in current English.
Quick answer
Which preposition is correct with mighty?
Use mighty in to describe power or ability within a field or activity. Mighty of is generally not idiomatic as a complement after the adjective mighty.
She is mighty in debate.
The empire was mighty in naval warfare.
They became mighty through trade.
The empire was mighty in naval warfare.
They became mighty through trade.
Choose the pattern by meaning
These forms are not interchangeable. Choose the construction by meaning, not by which preposition appears most often.
mighty + noun
Using mighty before a noun
Mighty often directly modifies a noun.
mighty river
mighty army
be + mighty
Describing general power
Mighty can stand alone after a linking verb.
The kingdom was mighty.
Their influence remains mighty today.
See the difference in context
The same subject can take different constructions because each sentence answers a different question.
Construction
Example
Meaning
mighty in
The country is mighty in technology.
Standard pattern for power or excellence in a field.
mighty of
That was mighty kind of you.
Of usually belongs to a different expression such as mighty kind of, not to mighty alone.
mighty at
She is mighty at chess.
Informal pattern meaning very skilled at something.
Common mistakes
Some combinations appear in real text but do not mean what learners often assume.
Using mighty of as a fixed adjective pattern
Mighty does not normally take of directly as its complement.
✕ The nation is mighty of trade. ✓ The nation is mighty in trade.Forgetting the area after in
When using mighty in, include the field or activity.
✕ They are mighty in. ✓ They are mighty in agriculture.Confusing mighty with polite formulas
Expressions like mighty nice of you are separate idiomatic patterns.
✕ The army was mighty of war. ✓ The army was mighty in war.Quick practice
Choose the expression that matches the intended meaning.
1. The team is mighty ___ defence.
2. Choose the natural sentence.
3. She is a ___ leader.
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Frequently asked questions
Is mighty of correct?
Usually no. It is not a common complement pattern after mighty.
When do we use mighty in?
Use it to show the area where someone or something is powerful or skilled.
Can mighty be used without a preposition?
Yes. Mighty often appears alone or before a noun.
Related preposition guides
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