How many letters does the top answer for “not expected or anticipated” have?

The most common answer is unexpected (10 letters).

Crossword clue: not expected or anticipated

1 answer found in Letterora's clue database (Wikidata facts, Open Trivia DB, WordNet and Webster definitions — all licensed sources).

unexpected 10 letters wn-def

not expected or anticipated

not to be expected or anticipated. bp. hall. 60% similar → inexpectable

in a way that was not expected 50% similar → unexpectedly

not expected or looked for. 50% similar → inopinate