Related Clues:
- With no apparent pattern
- Hit-or-miss
- Like lottery drawings
- Arbitrarily
- Not systematic
- Hit or miss
- Sporadic
- Like coin flips
- By chance .
- Patternless
- Haphazard, happening by chance
- Happening by chance, haphazard
- Lacking any definite plan, order or purpose
- Haphazard, no fixed pattern
- Haphazard, occuring by chance