from that place or from there; "proceeded thence directly to college"; "flew to Helsinki and thence to Moscow"; "roads that lead therefrom"
from that circumstance or source; "atomic formulas and all compounds thence constructible"- W.V.Quine; "a natural conclusion follows thence"; "public interest and a policy deriving therefrom"; "typhus fever results therefrom"
a volatile flammable mixture of hydrocarbons (hexane and heptane and octane etc.) derived from petroleum; used mainly as a fuel in internal-combustion engines
having or showing great strength or force or intensity; "struck a mighty blow"; "the mighty logger Paul Bunyan"; "the pen is mightier than the sword"- Bulwer-Lytton
(Southern regional intensive) very; "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"