"Squinch-eyed" is a colloquial term that typically describes someone who has narrow or partially closed eyes, often resulting in a distrustful or suspicious appearance. Some synonyms for "squinch-eyed" include: narrow-eyed, beady-eyed, shifty-eyed, sidelong glances, and squinting. Other related terms may include "suspicious," "wary," "guarded," and "distrustful." It's important to note that while these words may describe a similar physical appearance, they carry different connotations and may not always be appropriate for the context in which they are used. When choosing synonyms for "squinch-eyed," it's important to consider the tone and meaning of the word within the larger context of your writing or speech.