Glaiky is a Scottish term that describes someone who appears vacant or clueless. Finding synonyms for this word may prove difficult as it is a regional term and not commonly used outside of Scotland. However, some related words that could be used include simple, mindless, and foolish. These words all describe someone who is lacking mental acuity or seems disconnected from their surroundings. Other possibilities might include words like vacant, empty-headed, or scatterbrained, all of which convey a similar lack of awareness or understanding. Regardless of the chosen word, it's important to use it in the proper context to ensure it accurately conveys the intended meaning.