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Vocabulary: Prefixes

Learning the meanings of common prefixes preparing for NATO STANAG 6001 SLP 3333 Military English exam.

English Vocabulary Building

English Vocabulary Building, Prefixes

Learning the meanings and example words with common prefixes in English can greatly benefit an adult military English learner preparing for their NATO STANAG 6001 SLP 3333 Professional level. 
  • Understanding common prefixes
    • enhances vocabulary comprehension,
    • aids in deciphering complex terms,
    • and facilitates precise communication,
  • which are crucial skills for navigating the academic and technical language encountered in professional military contexts.

Prefixes

A resource, a list such as this, is just that, a list. You will not reach language proficiency, fluency or linguistic competence without actively seeking opportunities to use these prefixes in context,

either through daily Speaking practice or even Writing, by creating your own senteces.

Prefix Meaning Example Vocabulary
un- not Unfriendly, unbroken
under- under understand, undercurrent
tri- three triangle, tricycle
therm- heat thermometer, thermos
sub- under submarine, substandard
sub- below, secondary subeditor, subculture
semi- half, partial semi-final, semicircle
re- again, back return, rebuild
pre- before prefix, prearrange
pre- before prewar, preheat
post- after post-mortem, postdate
para- beside, beyond paramedic, paralegal
over- above, excess overlook, overeat
omnl- all, every omnivore, omniscient
non- not, without nonsense, nonstop
mono- one, singular monocrop, monochrome
mis- wrong misinterpret, mislead
mid- middle midway, midpoint
macro- largemacroeconomics, macrocosm
inter-, intra- between intermediate, intranet
im-, in- into insert, insertion
in-, im-, il-, ir- not, opposite injustice, impossible, irregular, illogical
infra- beneath, below, inner infrared, infrastructure
in- in infield, inbuilt