Synonyms of the word 
TOP-HEAVY → UNSTABLE
top-heavy
- adj. having a high centre of gravity, and liable to topple.
- adj. (of an organization) having an excessive number of administrators or managers.
unstable
- adj. Having a strong tendency to change.
- adj. Fluctuating; not constant.
- adj. Fickle.
- adj. Unpredictable.
- adj. (chemistry) Readily decomposable.
- adj. (physics) Radioactive, especially with a short half-life.
- v. (transitive) To release (an animal) from a stable.
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