step·fam·i·ly 
(stĕpfăm′ə-lē, -făm′lē)
(stĕpfăm′ə-lē, -făm′lē)n. pl. step·fam·i·lies
A family with one or more stepchildren.
- open house
- opening
- open interval
- open-label
- open letter
- open listing
- open loop
- openly
- open market
- open marriage
- open meeting law
- open mike
- open-minded
- open-mindedly
- open-mindedness
- open-mouthed
- open-mouthedly
- openness
- open (one's) eyes
- open one's eyes
- open-pollinate
- open-pollination
- open season
- open secret
- open sentence