IPA: /ˈtaɪm.lɪ.nəs/
KK: /ˈtaɪm.lɪ.nəs/
The quality of being on time or done at the right moment.
The timeliness of her report impressed the manager.
Timeliness → It is formed from "time" (from Old English "tima", meaning a period or duration) and "-ness" (meaning the state or quality of). The word "timeliness" refers to the quality of being on time or occurring at the right moment.
Think of the word 'time' and remember that 'timeliness' means the quality of being on time.