Mightly

//ˈmaɪt li// adj, adv

adj, adv ·Rare ·Advanced level

Definitions

Adjective
  1. 1
    Mighty; competent; capable; strong; powerful.

    "King Haco would have ſtay'd, notwithstanding the mightly Power he had to encounter, […]"

  2. 2
    Substantial; weighty; of import.

    "In touching upon these mightly results, which must attend, or soon follow, the completion of Welland Canal, [...]"

  3. 3
    Able; able to occur; possible.
Adverb
  1. 1
    Mightily.
  2. 2
    Very.

    ""[...] Must have been mightly well corked." "With every possible care, probably. [...]""

Synonyms

All synonyms
mightily

Example

More examples

"He donned a shirt of mithril and picked up his mightly blade."

Etymology

Etymology 1

From Middle English mightli, myȝtly, from Old English mihtelīċ (“possible, able, capable”), from Proto-West Germanic *mahtilīk, from Proto-Germanic *mahtilīkaz, *mahtulīkaz, equivalent to might + -ly. Cognate with Swedish maktlig (“powerful”).

Etymology 2

From Middle English myghtely, myȝtly, from Old English mihtlīċe, equivalent to might + -ly.

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.