1. amorphous – having no determinate form; heterogeneous
The shapes in the thick fog were amorphous. We could not tell if they were people or trees.

2. belabor – beat soundly; assail persistently, as with criticism
I hate to belabor the point, but as I've told you several times, it is important to turn in your work on time.

3. contrived – devised or brought about by clever planning
Although there was a lot of competition, the group contrived a clever approach and won the award.

4. encroach – enter upon the domain of another; trespass
If a wild animal encroaches on the territory of another wild animal of the same species, there may be a fight to the death to establish whose territory it is.

5. impeccable – without fault or blemish
Mr. Black had impeccable references so they hired him on the spot.

6. lament – (v) express sorrow for; mourn; bewail; (n) an expression of grief
The whole town lamented the death of the soldier in Iraq. Everyone was saddened.

7. mellifluous – smoothly and sweetly flowing
In the garden, the mellifluous sounds of the water splashing in the fountain, along with the bird songs, created a peaceful oasis in the middle of the city.

9. redolent – having or diffusing a sweet scent; fragrant
In the summer, my garden is redolent with the scents of flowers and newly mown grass.

10. succinct – concise; brief
“Do your work,” said the teacher, succinctly.