Simple past tense and past participle of book.(verb)
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Use "booked" in a sentence
"Partially also because of our focus on what we call booked days, but booking real solutions instead of just selling manuals, and so we had a real softness there in September and early October which has strengthened since then."
"We've had a big focus on what we call booked days."
"Non work tasks are just as important when you are booked from the crack of dawn till bedtime so honor your private life, even when you are busy."