Methinks Siri is a tad too literal:

Life: the condition that distinguishes animals and plants from inorganic matter, including the capacity for growth, reproduction, functional activity, and continual change preceding death..

Even Keanu can come up with something better than that, Siri.

To be fair, he is ripping off Inception.

So try again, Siri.

Cute. But you can do better.

A tad cliche, but better than a "Life is like Pacman" demotivational poster.

I think Data from Star Trek TNG just found his soul mate in Siri!

The Star Trek (TNG) Episode "Offspring" offers this beautiful quote by Data to his offspring (Lal)in her quest to understand the meaning of life. She asked Data: "Father, what is the meaning of life?"

Paraphrasing Data's response to Lal:

We should always strive to be better than we are. It does not matter that we may not achieve our intended objective. We can rest assured that our struggles will yield their own rewards.

For related reading, find Victor Frankl's "Man's Search For Meaning" and Zig Ziglar's "Embrace the Struggle."

Source: All Experts

Like everything "meaning of life" related, the answer reduces to Monty Python:

Apparently Siri has several answers to this question: