noun

1. A current day or date.

   “Today is the day we'll fix this once and for all.”

2. From 6am to 6pm on the current day.

Synonyms: current day, this day

adverb

1. On the current day or date.

   “I want this done today.”

2. In the current era; nowadays.

   “In the 1500s, people had to do things by hand, but today we have electric can openers.”