Supplement and Sit in on

Supplement verb - Add as a supplement to what seems insufficient.

Sit in on and supplement are semantically related In some cases you can use "Sit in on" instead a verb "Supplement".

Nearby Words: supplementary, supplemental, supplemented, supplementing, supplementation

Supplement and sit in on are semantically related in be partly responsible for topic. Sometimes you can use "Supplement" instead a verb "Sit in on".