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% replaces any number of letters (la% - lake, lamp)_ replaces one letter (ca_ - car, cat)

Crossword clues for Impatient request 4 letters:

ASAP: Impatient request
WHEN: Impatient request
WAITASEC: Request for the impatient
MEFIRST: Impatient kid's request
PROMPTREPLY: Impatient correspondent's request
LAMBCHOPCHOP: What the impatient reader of English essays requested?