This is taken from another of my word games - it's a series of adjectives describing New Year wishes, the 'New Year' comes as the punchline right at the very end. As adjectives come after rather than before the noun, I'm looking for a way of turning it round in Irish so that Athbhliain comes at the end.
It starts with (in English) - Wishing you a Happy and ..... (followed by the list of adjectives) so could I start with something like - Guím gach sonas agus..... and put - atá...ort/oraibh, or - Go raibh......agat/agaibh ?

The other problem is trying to find accurate equivalents in Irish of (for example) these three adjectives - amazing, astonishing and astounding - all I'm finding is iontach.

For advantageous - I've found comhréiteach, buntáisteach and tairbheach - but which one would be le mot juste ?
There are eighty-four adjectives in all and they are printed in what is called here 'contour' letters, so that you can colour in the letters that form the stressed syllable in each word.

I don't think 'athbhliain' or 'bliain nua' can come at the end and make sense. You have to think in Irish. You might have to structure it that way. But there are lots of words like:
den scoth
thar cionn
togha
thar barr
dochreidte
maith (this is quite a strong word in Irish, with several meanings depending on context - more than just 'good' of the English thinking)

Have a look at a 'Gaeilge-Béarla' dictionary for the above - something like 'Foclóir Gaeilge Béarla' by Ó Dónaill - you might be pointed towards other suggestions - also 'potafocal.com' gives some nice usages if you punch in some likely words. I find that the 'English-Irish' dictionaries alone can be quite limited, to say the least.
Good luck!

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Bí cinnte de go nglacfaidh triúr le gach aistriúchán a thabharfar.
Be sure to get three in agreement with a translation given.

I'm using Pota Focal and Foclóir Póca. Here's the beginning of it -

marvellous/éachtach, incredible/dochreidte, fantastic/thar cionn, amazing/? , astonishing/ ?
wonderful/seoigh, amusing/barrúil, inventive/airgtheath, stimulating/spreagúil, astounding/ ?
fruitful/torthúil, advantageous/comhréiteach - buntáisteach - tairbheach, fertile/síolmhar,
cheerful/croiúil - soilbhir - sorcha - misniúil, hilarious/gealgháireach - an-ghreanmhar,
funny/greannúr, active/forghníomhach, dynamic/fuinnúil, busy/gnóthach-broidiúil-cruógach-fuadrach
extraordinary/neamhghnách - sonrach

greannúr is a "phonetical" way to write "greannmhar" as pronounced in Munster

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Is fearr Gaeilg na Gaeltaċta ná Gaeilg ar biṫ eile
Agus is í Gaeilg Ġaoṫ Doḃair is binne