Wiktionary
flulike
a. Resembling influenza.
Usage examples of "flulike".
About five days ago she took a turn for the worse with all of her asthma and allergy symptoms as well as some sort of flulike thing.
The flulike symptoms that hospitalized him Sunday afternoon had shown an appreciable improvement soon after his admission, continued along that positive trend throughout Monday, and then had taken a sharp, unexpected downturn over the past several hours.
Amelia Lamb suffered from flulike symptoms—gastric discomfort, sporadic vomiting.
Virus C is actually wired directly to A and uses the mild, flulike symptoms to mask its own purposes.