Synonyms: tottering
Definition: (of structures or institutions) having lost stability; failing or on the point of collapse
Usage: a tottering empire
Similar words: unstable
Definition: lacking stability or fixity or firmness
Usage: unstable political conditions; the tower proved to be unstable in the high wind; an unstable world economy
Definition: unsteady in gait as from infirmity or old age
Usage: a tottering skeleton of a horse; a tottery old man
Similar words: unsteady
Definition: subject to change or variation
Usage: her unsteady walk; his hand was unsteady as he poured the wine; an unsteady voice