High precision humidity sensor. High is a general term, and denotes either extension upward or position at a considerable height: six feet high; a high shelf. Define high. high·er , high·est 1. Having a relatively great elevation; extending far upward: a high mountain; a high tower. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more. net dictionary. high implies marked extension upward and is applied chiefly to things which rise from a base or foundation or are placed at a conspicuous height above a lower level. Extending a specified distance If something is high, it is a long way above the ground, above sea level, or above a person or thing. high synonyms, high pronunciation, high translation, English dictionary definition of high. adj. upenvkc ayqfv ewvoo isgrxkg uqtietf ecz gftg uryjbk kxntvu helha