The phrase "make a show of" implies a display of something that is superficial or insincere, often with the intention of impressing or appearing impressive to others. Conversely, antonyms to "make a show of" would include phrases that convey honesty, transparency, and authenticity. Expressions such as "be genuine," "be sincere," "be straightforward," "hold back," "keep it simple," and "be subtle" represent a more reserved approach, with a focus on substance over style. These antonyms help to encourage individuals to act with integrity and to avoid the temptation to put on a facade for the sake of appearances.