The phrase "thumb nose" can be substituted with several other alternatives depending on the context of use. In a literal sense, other synonyms for this phrase may include snub nose or pug nose. These phrases generally refer to a nose that is short and appears flattened at the tip. Figuratively, "thumb nose" can also mean to show disrespect or disregard towards someone or something. In this case, possible synonyms could be to snub, to rebuff, or to disdain. These words signify a slight or rejection of someone or something and can be used to describe a deliberate act of dismissiveness or insult.