Mighty

adj.resilient, capablewarm

What it means

Possessing impressive strength, power, size, or influence.

Reach for it when giving vivid praise to exceptional force while accepting a slightly heroic tone

The tiny seed eventually became a mighty oak beside the river.

everyday
great
when broad importance or scale matters
not when Great is vague and heavily context-dependent.
everyday
immense
when sheer size or degree is the point
not when Immense does not establish power, ability, or effectiveness.
everyday
strong
when physical, structural, or figurative strength should be direct
not when Strong is broad and may understate exceptional scale.
professional
powerful
when real force, capacity, or influence is central
not when Powerful can feel threatening and lacks mighty's storylike warmth.
professional
robust
when strength includes resilience and reliable performance
not when Robust is technical and less suited to heroic or affectionate praise.
formal
formidable
when ability or force commands respect
not when Formidable can suggest fear and adversarial challenge.
formal
potent
when a small amount produces a strong effect
not when Potent often describes chemicals, medicine, or influence rather than size.
literary
herculean
when extraordinary strength or effort merits a mythic comparison
not when Herculean is inflated for ordinary demanding work.
literary
towering
when great height or figurative stature dominates
not when Towering concerns height or prominence, not every kind of strength.

mighty force
The river becomes a mighty force after several days of rain.
mighty effort
A mighty effort from the volunteers reopened the path before winter.
small but mighty
The small but mighty pump kept the lower rooms dry.

The definition and the example on this page are written here. The dictionaries above ground which meaning is being described, not the wording.