Irish edit

Alternative forms edit

Etymology edit

From éifeacht +‎ -úil.

Adjective edit

éifeachtúil (genitive singular feminine éifeachtúla, plural éifeachtúla, comparative éifeachtúla)

  1. effectual
  2. efficient
  3. efficacious

Declension edit

Synonyms edit

Derived terms edit

Mutation edit

Irish mutation
Radical Eclipsis with h-prothesis with t-prothesis
éifeachtúil n-éifeachtúil héifeachtúil not applicable
Note: Some of these forms may be hypothetical. Not every possible mutated form of every word actually occurs.

Further reading edit