Can anyone define what emotional intelligence is?

Being fully aware and understanding your emotions and others

A person with EI is resilient when faced with difficulties.

Relying on your own intuition.

Emotional intelligence is once ability to manouver through issues of life. It is an interpersonal attributes that enables one to cope up with issues of team work. Very important as one of leadership quality.

Being able to deal with your own emotions and also understand others emotions as well.

Yes, agreeing with most of the answers here. Understanding ones own emotions and others emotions.

Emotional intelligence is the ability to perceive and regulate emotions.

Emotional Intelligence is empathy or the ability to understand the situation of others by putting yourself into the shoes of that other person.