The phrase "stuck to" refers to being adhered or attached to something. However, there are various synonyms that you can use instead of using the same phrase repeatedly. You can use words like "clung," "fastened," "affixed," "glued," "bonded," "attached," "secured," and "fixed" to convey the same meaning. The choice of synonym will depend on the tone, context and intensity you want to portray. Using synonyms not only adds variety to your writing but also improves the quality of your content. You can experiment with different synonyms to find the perfect fit for your writing.