What is another word for concrete smile?
Pronunciation: [kˈɒŋkɹiːt smˈa͡ɪl] (IPA) 
A concrete smile can be described in a multitude of ways. Some possible synonyms could include a fake smile, a forced grin, a fixed grin, a plastered-on smile, or a painted smile. Another possible synonym is the phrase "smiling through gritted teeth," indicating that the smile is being forced despite feelings of discomfort or frustration. Additionally, a person who is trying to hide their true emotions with a smile might be described as having a "mask-like" expression or as being "stoic." Whatever your preferred synonym, it's clear that a concrete smile is often a sign of insincerity or emotional suppression.
