Synonym word of off top of ones head:

extemporaneously, extempore, impromptu, off the cuff, off the top of one's head, spontaneously, without preparation, without rehearsal


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Synonyms:  A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z | Popular