To make a start on some language material, this is from a thread in the forum replying to a request for interesting adjectives to use in a Welsh class.
| anhygoel | extraordinary, fantastic |
| anffodus | unfortunate |
| angenrheidiol | necessary |
| anghyfforddus | uncomfortable |
| anobeithiol | hopeless |
| anodd | difficult |
| anweladwy, anweledig |
invisble |
| chwerthinllyd | ridiculous (laughable) |
| cyfforddus | comfortable |
| cyfrinachol | secret |
| doeth | wise |
| drewllyd | smelly |
| gorllewinol | western |
| gwarthus | disgraceful |
| rhwystredig | frustrating |
| rhydd | free |
| siaradus | talkative |
| sothach | rubbish |
| uchel | high, loud |