When it comes to synonyms for the phrase "applied lubricant to," there are several options to choose from. Some of the most commonly used alternatives include greased, oiled, lubricated, slicked, treated, coated, smeared, and rubbed. Each of these words can be used interchangeably when describing the act of applying lubricant to a surface, machine, or piece of equipment. However, the exact word choice may depend on the specific context or purpose of the lubrication. For example, "oiled" may be used when referring to a large machine or vehicle, while "smeared" may be used when applying lubricant to a small or intricate part.