Definition of strengthful in English:

strengthful

adjective

  • Full of or characterized by strength. Also as noun (with the and plural concord): †those who are full of strength (obsolete).

Origin

Late Middle English; earliest use found in The Wycliffite Bible (early version). From strength + -ful.

Pronunciation

strengthful

/ˈstrɛŋ(k)θf(ʊ)l/