1. Something which spreads from one person or group to another with comparative ease.

2. An indication of time.
1. The H1N1 influenza virus is extremely contagious.

2. I saw a man trying to paint a house with a 4 inch brush. I will take the contagious.
by sociopath9 January 22, 2010
It will take that poor contagious to pick up all those marbles he dropped on the tiled floor.
by Bad Bart July 29, 2004
Is when someone smiles at you and you cant help but smile back.
Me:Everytime you smile it makes me smile.
Me:Its really cute you have a contagious smile
by PopcornBuddy September 15, 2011
A form of sympathetic magic based on the view that things once conjoined continue to influence each other when separated; thus magic performed on a lock of hair may affect the person from whom it came.
Contagious Magic is magic that attempts to affect a person through something once connected with him or her, as a shirt once worn by the person or a footprint left in the sand; a branch of sympathetic magic based on the belief that things once in contact are in some way permanently so, however separated physically they may subsequently become.
by ♫ Highway to Hell ♫ August 4, 2010
The result of millions of years of evolution. Originally used by cave men to signal it was time to rest.
Man Amber, your yawn was contagious...I too am tired.
by Trevor May 10, 2004
I specialize in diabetes and people ask "Is type 3 diabetes contagious?" And yes it is very contagious I would recommend that you get a shot to prevent getting type 3 at your local hospital or clinic now
You need to get a shot to prevent contagious diabetes.
by Ryk ifier May 30, 2019