Full of flight or characterized by fleeing; prone to taking flight or easily frightened.
From flight plus the adjective suffix -ful (full of, characterized by), creating an adjective meaning possessing or full of the quality of flight or escapism, following Middle English suffix patterns.
Flightful is such a poetic adjective that it deserves resurrection—it captures that particular nervous energy of prey animals constantly ready to bolt, or the psychological state of constant anxiety about needing to escape.
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