verb (used with object)
verb (used without object)
- (of a proportion) containing terms of which an increase (or decrease) in one results in an increase (or decrease) in another: a term is said to be in direct proportion to another term if one increases (or decreases) as the other increases (or decreases).
- (of a function) the function itself, in contrast to its inverse.Compare inverse(def 2).
Origin of direct
Synonyms for direct
verb (mainly tr)
- to conduct (a piece of music or musicians), usually while performing oneself
- another word (esp US) for conduct (def. 9)
- of or relating to direct current
- (of a secondary induced current) having the same direction as the primary current
- (of motion) in the same directionSee motion (def. 9)
- (of an interval or chord) in root position; not inverted
Word Origin for direct
late 14c., from Latin directus "straight," past participle of dirigere "set straight" (see direct (v.)).
late 14c., "to write (to someone), to address," from Latin directus "straight," past participle of dirigere "set straight," from dis- "apart" (see dis-) + regere "to guide" (see regal). Cf. dress; address.
Meaning "to govern, regulate" is from c.1500; "to order, ordain" is from 1650s. Sense of "to write the destination on the outside of a letter" is from 16c. Of plays, films, etc., from 1913. Related: Directed; directing.