<p>Titanium alloys face challenges in machinability due to intrinsic properties such as high hardness (even at elevated temperatures), chemical affinity with various tool materials, and low thermal conductivity. Research has been mainly focused on improving the machining processes of titanium and its alloys in terms of tool life, surface quality, and productivity. Therefore, this study determines and explains the influence of the lubri-cooling environment on tool performance and surface characteristics in turning Ti-15Mo alloy at different cutting speeds. Not only wear types and mechanisms were assessed, but also the workpiece surface roughness and hardness. Cutting experiments were conducted in dry, wet, and cryogenic environments for comparison purposes. Results showed that liquid nitrogen delays tool wear more effectively than flood coolant. Additionally, material adhesion from the workpiece to the tool surface was observed in all cases, which, depending on the cutting speed, tended to either preserve or accelerate insert wear, potentially causing tool failure. Regarding the workpiece material characteristics, strain hardening occurred indistinctly for all cutting conditions, due to the occurrence of mechanical twinning.</p>