phraseology . ( Of words and -logía ). 1. f. set of peculiar modes of expression of a language, a group, a time, activity or individual. 2. f. set of intricate, overblown or false expressions. 3. f. verbiage. 4. f. set of phrases, figurative expressions, metaphors and set comparisons, idioms and sayings, existing in a language, individual use, or any group. 5. (f) part of linguistics that studies the sentences, proverbs, the idioms, proverbs and other units of wholly or partially fixed syntax.