feidhmiúil

Etymology
From.

Adjective

 * 1) forceful
 * 2) serviceable
 * 3) functional useful, serving a purpose, useful
 * 4)  functional such that its symptoms cannot be referred to any appreciable lesion or change of structure
 * 5) efficient
 * 1)  functional such that its symptoms cannot be referred to any appreciable lesion or change of structure
 * 2) efficient