Welsh

edit

Etymology

edit

uniawn (straight, upright) +‎ syth (straight).

Adjective

edit

unionsyth (feminine singular unionsyth, plural unionsyth, not comparable)

  1. perfectly straight
  2. upright, erect, vertical
    Synonyms: fertigol, perpendicwlar
  3. (figurative) righteous
    Synonyms: cyfiawn, cywir
  4. immediate, direct(ly) straight
    Synonyms: uniongyrchol, di-oed

Further reading

edit
  • R. J. Thomas, G. A. Bevan, P. J. Donovan, A. Hawke et al., editors (1950–present), “unionsyth”, in Geiriadur Prifysgol Cymru Online (in Welsh), University of Wales Centre for Advanced Welsh & Celtic Studies