in English is:

fast[1]

,

quick

,

rapid

,

keen

,

sharp

Mutations

Soft:gyflym
Nasal:nghyflym
Aspirate:chyflym
Phrases (6)
bwyd cyflym
cookery
cyn gyflymed â mellten
detio cyflym
dur cyflym
metallurgy
yn eithaf cyflym
yn llai cyflym
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