How many letters does the top answer for “a close observer; someone who looks at something (such as an exhibition of some kind)” have?

The most common answer is spectator (9 letters).

Crossword clue: a close observer; someone who looks at something (such as an exhibition of some kind)

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

spectator 9 letters wn-def

a close observer; someone who looks at something (such as an exhibition of some kind)

viewer 6 letters wn-def

a close observer; someone who looks at something (such as an exhibition of some kind)

watcher 7 letters wn-def

a close observer; someone who looks at something (such as an exhibition of some kind)