light–head·ed 
/ˈlaɪtˌhɛdəd/ adjective
/ˈlaɪtˌhɛdəd/ adjective [more light–headed; most light–headed] : unable to think and move in a normal way because of a weak and dizzy feeling
▪ I began to feel light-headed from lack of sleep. ▪ Standing up too quickly usually makes her light-headed.
▪ I began to feel light-headed from lack of sleep. ▪ Standing up too quickly usually makes her light-headed.
— light–head·ed·ness noun [noncount]
▪ The patient complained of light-headedness. [=dizziness]
▪ The patient complained of light-headedness. [=dizziness]
