Prefixes

Question 1

Anti-

Answer 1

Against, opposite of

Ex: anticlimax, antiaircraft, antiseptic, antibody

Question 2

Auto-

Answer 2

Self same

Ex: autopilot, autobiography, automobile, autofocus

Question 3

Co-

Answer 3

With, together

Ex: copilot, coworker, coexist, coauthor

Question 4

De-

Answer 4

Down, off, away from

Ex: devalue, deactivate, debug, degrade, deduce

Question 5

Dis-

Answer 5

Not, apart, away

Ex: disappear, disagree, disbar, dissect

Question 6

Ex-

Answer 6

Out of, from, former

Ex: extract, exhale, excavate, ex-president

Question 7

Extra-

Answer 7

Beyond, outside, more than

Ex: extracurricular, extramarital, extravagant

Question 8

Hyper-

Answer 8

Over, more, beyond

Ex: hyperactive, hypersensitive, hypercritical

Question 9

il-, im-, in-, ir-

Answer 9

Not, without

Ex: illegal, immoral, inconsiderate, irresponsible

Question 10

Inter-

Answer 10

Between, among

Ex: intersect, interstellar, intervene, interpenetrate

Question 11

Micro-

Answer 11

Very small

Ex: microscope, microcosm, microbe

Question 12

Non-

Answer 12

Not, without

Ex: nonentity, nonaggressive, nonessential, nonfiction

Question 13

Omni-

Answer 13

All, every

Ex: omniscient, omnivorous, omniscient, omnidirectional

Question 14

Post-

Answer 14

After, behind

Ex: postmortem, posterior, postscript, postoperative

Question 15

Pre-, pro-

Answer 15

Before, forward

Ex: precede, predict, project, prologue

Question 16

Trans-

Answer 16

Across, beyond, through

Ex: transmit, transaction, translation, transfer

Question 17

Tri-

Answer 17

Three, every third

Ex: tricycle, trimester, triangle, triathlon, tripod

Question 18

Un-

Answer 18

Not, lacking, opposite of

Ex: unfinished, unskilled, ungrateful, unfriendly

Question 19

Uni-

Answer 19

One, single

Ex: unicorn, unicellular, unicycle, unilateral

Question 20

Sub-

Answer 20

Under, lower

Ex: submarine, subsidiary, substandard, subway