Difficult GRE Words - Group 6
Match Quiz
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| Difficult GRE Words - Group 6 | View Group Words |
impermeable 
1
 | not allowing passage, especially of liquids; waterproof |
| incapable of being exhausted, emptied, or used up; unfailing; not to be wasted or spent |
| impossible to remove, erase, or wash away; permanent |
| lay responsibility or blame for, often unjustly |
improvident
2
| thriftless; not providing for future; incautious |
| overrun; invade in great numbers; occupy in large numbers or live on a host |
| gear; tackle; combination of tackles, for hoisting or lowering the lower yards of a ship |
| difficult to manage or govern; stubborn; unyielding |
incongruous
3
| overrun; invade in great numbers; occupy in large numbers or live on a host |
| not fitting; lacking in harmony or compatibility |
| gear; tackle; combination of tackles, for hoisting or lowering the lower yards of a ship |
| not consisting of matter, or not having material body; immaterial; insubstantial |
indoctrinate
4
| exhibiting or giving out colors like those of rainbow; gleaming or shimmering with rainbow colors |
| one who speaks in dialogue or takes part in conversation |
| overrun; invade in great numbers; occupy in large numbers or live on a host |
| teach with biased or one-sided ideology; teach doctrines to; teach uncritically |
indubitable
5
| unable to be doubted; unquestionable |
| difficult to manage or govern; stubborn; unyielding |
| prayer for help; calling upon as reference or support |
| accustomed; made tough by habitual exposure |
inexhaustible
6
| demanding much work or care; tedious |
| not consisting of matter, or not having material body; immaterial; insubstantial |
| accustomed; made tough by habitual exposure |
| incapable of being exhausted, emptied, or used up; unfailing; not to be wasted or spent |
infest
7
| accustomed; made tough by habitual exposure |
| gayness; splendor; cheerfulness or celebration |
| overrun; invade in great numbers; occupy in large numbers or live on a host |
| unshakably calm; placid; incapable of being disturbed or disconcerted |
infidel
8
| unable to be doubted; unquestionable |
| one who does not hold same religious beliefs as another |
| demanding much work or care; tedious |
| beg persistently; ask for urgently or repeatedly; annoy |
insulate
9
| relating to essential nature of a thing; inherent; built-in |
| prayer for help; calling upon as reference or support |
| unable to be doubted; unquestionable |
| make an island of; place in a detached situation, or in a state having no communication with surrounding objects; isolate; separate |
intermittent
10
| brief; effectively cut short; marked by use of few words |
| stopping and starting at intervals; alternately containing and empty of water |
| apparatus used to maintain environmental conditions suitable for a newborn baby |
| animal, such as an insect, that lacks backbone or spinal column |