1. Everyone stared, their blank, featureless masks almost macabre.

2. Altostratus clouds are generally a featureless layer cloud, whereas stratocumulus clouds have more detail

3. We had to cross a large area of arid, featureless desert.

4. You're standing around there and you're just rubbing this featureless piece of glass.

5. The models were Raquel, Romina, Lily, and Xenia, a pale, rather featureless crop.

6. Some species navigate thousands of miles of featureless ocean and arrive unerringly at their destination.

7. Down those featureless slopes the rainwater drained, forming streams and rivers that began to erode the rock.

8. Altostratus is a type of cloud which typically appears in the form of featureless gray sheets

9. Singularity is almost invariably a clue. The more featureless and commonplace a crime is, the more difficult is it to bring it home. 

10. 25 Singularity is almost invariably a clue. The more featureless and commonplace a crime is, the more difficult is it to bring it home. 

11. 26 Singularity is almost invariably a clue. The more featureless and commonplace a crime is, the more difficult is it to bring it home. 

12. 'What was once thought to be a featureless abyss is in fact a dynamic, variable and biologically rich environment,' said Dr Katrin Linse of the British Antarctic Survey.

13. Adiaphanous - CAST A SHADOW - COMPLICATED - CONDITIONAL - DARK AS NIGHT - DARK AS PITCH - DEAD OF NIGHT - DOUBLE-EDGED - DOUBLE-FACED - FEATURELESS - HALF-VISIBLE - INDEFINABLE - INSCRUTABLE - LITTLE KNOWN - MISINSTRUCT - NIGHT-FILLED - NIGHT-VEILED - NONDESCRIPT - NONSPECIFIC - OUT-OF-THE-WAY - PREVARICATE - SEMIVISIBLE - …

14. The featureless Marlin Camp Carbine and the Ruger Police Carbine, guns designed from the ground up to use 9mm ammo, .40 S&W or .45ACP and accept commonly-found handgun magazines, such as those for the M1911 or S&W Model 59 in the case of the Marlin and Ruger’s P-series pistol mags when it comes to the Police Carbine.