is it

• issit (Singapore)
• izit (South Africa)
• izzit

• Audio (US)

  (file)

is it

1. Used other than figuratively or idiomatically: see is,‎ it.

   - It's ten o'clock already.

   - Is it?

2. (Canada, South Africa, India, MLE, MTE) really? is that so?

   - I'm feeling tired.

   - Is it?

   • 2007, Dan le Sac vs. Scroobius Pip, "Thou Shalt Always Kill" on Angles

     Thou shalt not express your shock at the fact that Sharon got off with Brad at the club last night by saying "is it?"

   • 2008, Nicholas Drayson, A Guide to the Birds of East Africa, page 187:

     "I mean what now - the bet is cancelled but they are both going to ask her, is it?"

is it

1. (Singapore, Wales) Final interrogative particle forming a tag question.

   You forgot, is it?

In contrast to the neutral or not, questions formed with is it expect an affirmative response.

• or not

• -itis, IIST, IITs, SITI, itis