- com|ple|ment
- com|ple|ment «noun. KOM pluh muhnt; verb. KOM pluh|mehnt», noun, verb.–n.1. something that completes or makes perfect: »
The teacher considers homework a necessary complement to classroom work. Philosophy is a good complement of scientific studies.
2. the number required to complete or make perfect: »The ship now had its full complement of men, and no more could be taken on.
3. full quantity or amount: »He had the usual complement of eyes and ears (Francis Parkman).
4. a word or group of words completing a predicate. In “The man is good,” good is a complement.5. each of two parts which complete each other.6. Mathematics. a) the amount needed to make an angle or an arc equal to 90 degrees; the angle or arc by which a given angle or arc is less than 90 degrees. b) those members of a set that do not belong to a subset. Example: In the set (1, 2, 3, 4) the complement of subset (2, 4) is (1,3).7. Music. the interval which added to a given interval completes an octave.8. Medicine. a substance or group of substances found in normal blood serum and protoplasm which combines with antibodies to destroy bacteria and other foreign bodies.–v.t.1. to supply a lack of any kind; complete: »My fishing poles complement his hooks and lines, so that together we can go fishing. The two brothers complemented each other; one was impulsive and outspoken, the other, cautious and reticent.
–v.i.Obsolete. to behave with courtesy or ceremony.╂[< Latin complēmentum < complēre; see etym. under complete (Cf. ↑complete). See etym. of doublet compliment. (Cf. ↑compliment)]Synonym Study transitive verb.1 Complement, supplement mean to complete. Complement means to complete by supplying something that is missing but necessary to make a perfect whole: »The two texts complement each other; what is sketchily dealt with in either one is treated fully in the other.
Supplement means to add something to make better or bigger or richer in some way: »Outside reading supplements a person's education.
Usage complement, compliment. Complement means something that completes or makes perfect, or a number required to fill (related to complete): (Cf. ↑complete) »She has her full complement of good looks.
Compliment has to do with politeness and praise: »Their progress deserved his compliment.
Useful english dictionary. 2012.