nail-biting
noun
: habitual biting at the fingernails usually being symptomatic of emotional tensions and frustrations
called also onychophagia, onychophagy
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“Nail-biting.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/nail-biting. Accessed 2 Jul. 2025.
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