refractory

Words with a similar base: refractory

'refractory'

[furnace_lining.n.01] as in: lining consisting of material with a high melting point; used to line the inside walls of a furnace

'refractory'

[refractory.s.01] as in: not responding to treatment

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Examples:
a stubborn infection
a refractory case of acne
stubborn rust stains

'refractory'

[refractory.s.02] as in: temporarily unresponsive or not fully responsive to nervous or sexual stimuli

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Examples:
the refractory period of a muscle fiber

'refractory'

[fractious.s.01] as in: stubbornly resistant to authority or control

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Examples:
a fractious animal that would not submit to the harness
a refractory child