1. powerful

having great power or force or potency or effect

Example Sentences:
'the most powerful government in western Europe'
'his powerful arms'
'a powerful bomb'
'the horse's powerful kick'
'powerful drugs'
'a powerful argument'

• all-powerful
• almighty
• omnipotent
• coercive
• compelling
• mighty
• muscular
• potent
• strong
• puissant
• regent
• regnant
• reigning
• ruling

• effective
• effectual
• efficacious
• potent
• stiff
• strong
• strong

2. knock-down, powerful

strong enough to knock down or overwhelm

Example Sentences:
'a knock-down blow'

• knock-down

3. potent, powerful

having great influence

• potent

4. brawny, hefty, muscular, powerful, sinewy

(of a person) possessing physical strength and weight; rugged and powerful

Example Sentences:
'a hefty athlete'
'a muscular boxer'
'powerful arms'

• brawny
• hefty
• muscular
• sinewy

5. herculean, powerful

displaying superhuman strength or power

Example Sentences:
'herculean exertions'

• herculean

6. mightily, mighty, powerful, right

(Southern regional intensive) very; to a great degree

Example Sentences:
'the baby is mighty cute'
'he's mighty tired'
'it is powerful humid'
'that boy is powerful big now'
'they have a right nice place'
'they rejoiced mightily'

• mightily
• mighty
• right