| evasive | (adjective) deliberately vague or ambiguous | - |
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| (adjective) avoiding or escaping from difficulty or danger especially enemy fire | - |
| invasive | (adjective) marked by a tendency to spread especially into healthy tissue | - |
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| (adjective) relating to a technique in which the body is entered by puncture or incision | - |
| (adjective) gradually intrusive without right or permission | Synonyms: encroaching, trespassing |
| (adjective) involving invasion or aggressive attack | Synonyms: incursive, invading |
| noninvasive | (adjective) relating to a technique that does not involve puncturing the skin or entering a body cavity | - |
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| pervasive | (adjective) spreading or spread throughout | Synonyms: permeant, permeating, permeative |
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| vasiform | (adjective) constituting a tube; having hollow tubes (as for the passage of fluids) | Synonyms: cannular, tube-shaped, tubelike, tubular |
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