Synonyms of 'gnaw'
1 biteDictionary, chew, nibble
Woodlice attack living plants and gnaw at the stems.
2 distressDictionary, worry, trouble
Doubts were already gnawing away at the back of his mind.
I did not want to frighten or distress her.
‘Why didn't you tell us?’ ‘ didn't want to worry you.’
Is anything troubling you?
He would exploit and harry his workers.
The decision to leave her children now haunts her.
I'm not going to plague you with a lot of questions.
the anxiety that had nagged her all through lunch
The quickening of time frets me.
3 erodeDictionary, consume, devour
This run of bad luck has gnawed away at his usually optimistic character.
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If you bite something, you use your teeth to cut into it, for example in order to eat it or break it. If an animal or person bites you, they use their teeth to hurt or injure you.
Llamas won't bite or kick.
When you chew food, you use your teeth to break it up in your mouth so that it becomes easier to swallow.
Be careful to eat slowly and chew your food well.
Thesaurus for gnaw from the Collins English Thesaurus
If people or animals gnaw something or gnaw at it, they bite it repeatedly.