adjective
1.
Synonyms: weak 2, dickey, fluctuant, insecure, rootless, unstable, unsure, vacillating, wavering, wobbly
Related Word: unsettled; infirm, unsound, unsteady; precarious, tottering, tottery
2.
Synonyms: doubtful 1, dubious, indecisive, precarious, problematic, suspect, uncertain, unclear, unsettled, unsure
3.
Synonyms: tremulous , aquake, aquiver, ashake, quaking, quivering, quivery, shaking, trembling, tremorous
4.
Synonyms: rickety , rachitic, rackety, rattletrap, wobbly