infect-v; 2 Senses

Sense Number 1: contaminate with a disease or other malicious quality

How bad debt infected the world.
Hackers infected the legitimate website with a malicious script.
People who were infected with the T virus became zombies.
The earlier the baby is infected, the more severe the effects.

VerbNet: fill-9.8
FrameNet: NP
PropBank: infect.01
WordNet 3.0 Sense Numbers: 1, 2, 3

Sense Number 2: cause a feeling or action

The teacher always infects everyone with her happiness.
Something in her terrible agitation infected him strangely.
Mahan infected the group with a zeal for creative education.

VerbNet: NM
FrameNet: NP
PropBank: NM
WordNet 3.0 Sense Numbers: 4