This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

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n. Nonexistence; nothingness.

n. The figure 0; a cipher; a zero.

pronoun. Nothing: All their work was for naught.

adj. Nonexistent.

adj. Insignificant.

n. (now rare or archaic in US, Canada) Zero.

n. (now rare or archaic in US, Canada) Nothing; nothingness.

pronoun. nothing

n. Nothing.

n. The arithmetical character 0; a cipher. See Cipher.

ad. In no degree; not at all.

adj. Of no value or account; worthless; bad; useless.

adj. Hence, vile; base; naughty.

n. Not anything; nothing.

n. A cipher; zero.

n. . Wickedness.

Of little or no account or value; worthless; valueless; useless.

. Lost; ruined.

. In a moral sense, wicked; bad; naughty. See naughty.

In no degree; not at all; not. See not.

n. complete failure

n. a quantity of no importance

"It was the mysterious, evil forest, a charnel house of silence, wherein naught moved save strange tiny birds -- the strangeness of them making the mystery more profound, for they flitted on noiseless wings, emitting neither song nor chirp, and they were mottled with morbid colours, having all the seeming of orchids, flying blossoms of sickness and decay."

failure   

to call one to naught    be naught    to set at naught    to set naught by    to come to naught    not    zip    nought    no    aught   

cipher   

worthless    bad    useless    base    naughty    nothing    cipher   

Lot    Mayotte    Wat    begot    bought    brought    caught    distraught    fought    fraught   

nought