per·ni·cious

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• per|ni´cious|ly — per|ni|cious «puhr NIHSH uhs», adjective. 1. that will destroy or ruin; causing great harm or damage; injurious: »Most doctors agree that smoking is a pernicious habit. SYNONYM(S): noxious. 2. fatal; deadly. 3. wicked …   Useful english dictionary

• per|ni|cious — «puhr NIHSH uhs», adjective. 1. that will destroy or ruin; causing great harm or damage; injurious: »Most doctors agree that smoking is a pernicious habit. SYNONYM(S): noxious. 2. fatal; deadly. 3. wicked …   Useful english dictionary

• per|ni´cious|ness — per|ni|cious «puhr NIHSH uhs», adjective. 1. that will destroy or ruin; causing great harm or damage; injurious: »Most doctors agree that smoking is a pernicious habit. SYNONYM(S): noxious. 2. fatal; deadly. 3. wicked …   Useful english dictionary

• an|ti|per|ni|cious anemia factor — «AN tee puhr NIHSH uhs», = vitamin B12. (Cf. ↑vitamin B12) …   Useful english dictionary

• per — per·acetic; per·acid; per·act; per·acute; per·alkaline; per·aluminous; per·am·bu·lant; per·am·bu·late; per·am·bu·la·tion; per·am·bu·la·tor; per·am·bu·la·to·ry; per·a·na·kan; per·bend; per·borate; per·bromide; Per·bu·nan; per·ca; per·cale;… …   English syllables

• cious — an·dro·di·oe·cious; an·dro·mo·noe·cious; an·ti·per·ni·cious; as·tu·cious; atro·cious; atro·cious·ly; atro·cious·ness; au·da·cious·ly; au·da·cious·ness; aus·pi·cious; aus·pi·cious·ly; aus·pi·cious·ness; av·a·ri·cious; av·a·ri·cious·ly;… …   English syllables

• per´ti|na´cious|ness — per|ti|na|cious «PUR tuh NAY shuhs», adjective. 1. holding firmly to a purpose, action, or opinion; very persistent; resolute: »a pertinacious beggar. A bulldog is a pertinacious fighter. SYNONYM(S): determined, dogged, stubborn. 2. stubborn to… …   Useful english dictionary

• per´ti|na´cious|ly — per|ti|na|cious «PUR tuh NAY shuhs», adjective. 1. holding firmly to a purpose, action, or opinion; very persistent; resolute: »a pertinacious beggar. A bulldog is a pertinacious fighter. SYNONYM(S): determined, dogged, stubborn. 2. stubborn to… …   Useful english dictionary

• per|ti|na|cious — «PUR tuh NAY shuhs», adjective. 1. holding firmly to a purpose, action, or opinion; very persistent; resolute: »a pertinacious beggar. A bulldog is a pertinacious fighter. SYNONYM(S): determined, dogged, stubborn. 2. stubborn to excess; obstinate …   Useful english dictionary

• per´spi|ca´cious|ly — per|spi|ca|cious «PUR spuh KAY shuhs», adjective. 1. keen in observing and understanding; discerning: »perspicacious wit. SYNONYM(S): shrewd, acute. 2. Archaic. clear sighted. ╂[< Latin perspicāx, ācis (with English ous) sharp sighted <… …   Useful english dictionary