Based on form/shape:
* Scattering: If "wreath" implies a circular arrangement, then "scattering" suggests a loose, non-circular distribution.
* Line: If "wreath" implies a round shape, then "line" implies a straight, linear shape.
Based on purpose/meaning:
* Desolation: If "wreath" represents a symbol of mourning, then "desolation" suggests a feeling of emptiness or loss.
* Joy: If "wreath" signifies a celebratory event, then "joy" implies happiness and celebration.
Based on material:
* Single flower: If "wreath" refers to a collection of flowers, then "single flower" emphasizes a solitary bloom.
The best antonym will depend on the specific context in which you are using "wreath."
For example, if you are talking about a funeral wreath, "joy" might be the most appropriate antonym. But, if you are talking about a wreath of leaves, "line" might be a better choice.