Bidh buadhair “Coimeasach” (Beurla ‘’comparitive (degree)’’) a chuireas an dàrna rud an coimeas ris an rud eile. Tha “làidire” na bhuadhair coimeasach ann an “an duine as làidire”, agus “tha an duine seo nas làidire na an duine sin.”
