In June 2016, Adair was named in Ireland's
One Day International (ODI) squad for their
series against Afghanistan, that took place the following month, but he did not play. In May 2019, he was added to Ireland's squad for the one-off ODI
against England. He made his ODI debut for Ireland against
England on 3 May 2019. In June 2019, Adair was named in the
Ireland Wolves squad for their home series against the
Scotland A cricket team. Later the same month, he was named in Ireland's squad for their series
against Zimbabwe. In July 2019, Adair was named in Ireland's
Test squad for their one-off match
against England at
Lord's. He made his
Twenty20 International (T20I) debut for Ireland against
Zimbabwe on 12 July 2019. He made his Test debut for Ireland, against
England, on 24 July 2019. The following month, he was awarded a central contract by
Cricket Ireland. In September 2019, Adair was named in Ireland's squad for the
2019 ICC T20 World Cup Qualifier tournament in the United Arab Emirates. He was the leading wicket-taker for Ireland in the tournament, with twelve dismissals in eight matches. On 10 July 2020, Adair was named in Ireland's 21-man squad to travel to England to start training
behind closed doors for the ODI series
against the England cricket team. Adair was added to Ireland's squad for the third and final ODI of the series. In February 2021, Adair was named in the
Ireland Wolves' squad for their
tour to Bangladesh. In July 2021, he was named in the Ireland's ODI squad against South Africa. In September 2021, Adair was named in Ireland's provisional squad for the
2021 ICC Men's T20 World Cup. Adair was named in Ireland's
Test squad for their tour of
Bangladesh in March 2023. He was also named in the T20I and ODI squads for the tour.
On 7 December 2023, Adair became the first male cricketer from Ireland to
take 100 wickets in T20Is. In May 2024, he was named in Ireland’s squad for the
2024 ICC Men's T20 World Cup tournament. ==References==