treiddiol

Welsh

Etymology

From treiddio (to penetrate) +‎ -ol

Adjective

treiddiol (feminine singular treiddiol, plural treiddiol, equative mor dreiddiol, comparative mwy treiddiol, superlative mwyaf treiddiol)

  1. penetrating
    Synonym: treiddgar
  2. (figurative) shrewd, astute
    Synonyms: craff, miniog

Derived terms

  • hydreiddiol (pervading)
  • treiddioldeb (penetration)
  • treiddiolrwydd (penetration; astuteness)

Mutation

Mutated forms of treiddiol
radical soft nasal aspirate
treiddiol dreiddiol nhreiddiol threiddiol

Note: Certain mutated forms of some words can never occur in standard Welsh.
All possible mutated forms are displayed for convenience.

Further reading

  • D. G. Lewis, N. Lewis, editors (2005–present), “treiddiol”, in Gweiadur: the Welsh–English Dictionary, Gwerin
  • R. J. Thomas, G. A. Bevan, P. J. Donovan, A. Hawke et al., editors (1950–present), “treiddiol”, in Geiriadur Prifysgol Cymru Online (in Welsh), University of Wales Centre for Advanced Welsh & Celtic Studies