Somewhat giddy; slightly dizzy or frivolous, but not extremely.
From giddy plus the suffix -ish, which means 'somewhat' or 'rather' (like pinkish, coldish, youngish), indicating a moderate or partial quality.
The -ish suffix is English's way of being wishy-washy—it lets you say 'kind of giddy' without fully committing, which is why it's perfect for describing feelings that are fuzzy or uncertain.
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