Noun: untimeliness ,ún'tIm-lee-nus
- Being at an inappropriate time
"The untimeliness of wearing a heavy coat in summer was obvious";
- unseasonableness
- The quality of occurring at an inconvenient time
"The untimeliness of the power outage disrupted the important presentation";
- inopportuneness
Type of: inconvenience, timing
Antonym: timeliness