dizziest
diz-zi-est
adjective
Feeling the most unsteady, lightheaded, or having a sensation of spinning.
"She felt the dizziest after the rollercoaster ride."
Thesaurus
Synonyms: airheaded, dizzy, featherbrained, lightheaded, light-headed, frivolous, empty-headed, giddy, silly, vertiginous, ill, woozy