[jey-nuh
s-feyst] 
| 1. | having two faces, one looking forward, one looking backward, as the Roman deity Janus. |
| 2. | having two contrasting aspects, as the alternation of mood in a capricious person. |
| 3. | two-faced; deceitful. |
| 4. | aware of or concerned with polarities; seeing different and contrasting aspects: a Janus-faced view of history. |
| 5. | having or containing contrasting characteristics: a Janus-faced policy. |