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lighter (1)
lighter (2)
lighter-than-air
lighterd
lighterd knot floater
lightface
lightfast
lightfoot
lightheaded
lighthearted
lighthouse
lighting
lighting cameraman
lighting-up time
lightly
lightness (1)
lightness (2)
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lightheaded

light·head·ed [ lt héddəd ]


adjective 
Definition:
 
1. dizzy or euphoric: slightly dizzy or euphoric, experienced as an effect of caffeine, alcohol, or fatigue

2. silly: having a tendency to behave in a frivolous or immature way

[15th century. <light2]

light·head·ed·ly adverb
light·head·ed·ness noun
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