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

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v. To bite, chew on, or erode with the teeth.

v. To produce by gnawing: gnaw a hole. See Synonyms at bite.

v. To erode or diminish gradually as if by gnawing: waves gnawing the rocky shore.

v. To afflict or worry persistently: fear that constantly gnawed me.

verb-intransitive. To bite or chew persistently: The dog gnawed at the bone.

verb-intransitive. To cause erosion or gradual diminishment.

verb-intransitive. To cause persistent worry or pain: Hunger gnawed at the prisoners.

v. To bite something persistently.

v. To produce excessive anxiety or worry.

v. To bite, as something hard or tough, which is not readily separated or crushed; to bite off little by little, with effort; to wear or eat away by scraping or continuous biting with the teeth; to nibble at.

v. To bite in agony or rage.

v. To corrode; to fret away; to waste.

v. To trouble in a constant manner; to plague; to worry; to vex; -- usually used with at.

verb-intransitive. To use the teeth in biting; to bite with repeated effort, as in eating or removing with the teeth something hard, unwieldy, or unmanageable.

To bite off little by little; bite or scrape away with the front teeth; erode or eat into.

To bite upon, as in close thought, vexation, rage, etc.

To wear away as if by continued biting; consume; fret; waste.

To act by or as if by continual biting away of small fragments or portions.

To bite or nibble at the hook, as fish.

n. A gnawing.

v. become ground down or deteriorate

v. bite or chew on with the teeth

"_Bête Noire_, my _bête noire_, and so I called him, and as he is by no means averse to eating through his head rope when picketed, I find that the curtailment to "gnaw" is satisfactory enough as far as names go."

gnawed    gnawing    gnawn    gnaws   

crumble    dilapidate    decay    bite    masticate    seize with teeth    chew    jaw    manducate   

gnaw a file   

gnawn   

gnawer    gnawable   

corrode    waste    plague    worry    vex    bit   

Baugh    Gaw    Haw    Law    Shaw    Straw    Waugh    aw    awe    bashaw   

agonize    unbearable    pent-up    ill-concealed    inexpressible    grow    nag    inward    sicken    overpower