defnyddiol

Welsh edit

Etymology edit

From defnydd (“use”) +‎ -iol.

Adjective edit

defnyddiol (feminine singular defnyddiol, plural defnyddiol, equative mor ddefnyddiol, comparative mwy defnyddiol, superlative mwyaf defnyddiol)

useful, helpful (a book etc.)
(obsolete) material, basic, elementary

Derived terms edit

defnyddioldeb (“usefulness”)

Related terms edit

defnyddio (“to use”)

Mutation edit

Welsh mutation
radical	soft	nasal	aspirate
defnyddiol	ddefnyddiol	nefnyddiol	unchanged
Note: Some of these forms may be hypothetical. Not every possible mutated form of every word actually occurs.

References edit

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