1. slippery or smooth
Usage: archaic; rare
2. elusive or hard to grasp
Usage: archaic; figurative

Examples

• The lubrical surface made walking treacherous.
• His lubrical arguments slipped away from logical examination.
• The fish’s lubrical skin helped it escape the net.
• She found his promises to be lubrical and unreliable.
• The lubrical nature of the concept made it difficult to define.