When they are attached to other morphemes they change the meaning or the grammatical function of the word in some way, as just seen; when added to the beginning of a word or morphemes they are called prefixes, and when added to the end of a word or morpheme they are called suffixes.
Webster Dictionary(0.00 / 0 votes)Rate this definition: 1  Prodigious(adj) of the nature of a prodigy; marvelous; wonderful; portentous. 2  Prodigious(adj) extraordinary in bulk, extent, quantity, or degree; very great; vast; huge; immense; as, a prodigious mountain; a prodigious creature; a prodigious blunder.
LINK / CITE ADD TO WORD LIST. adjective. The definition of proactive is someone who takes an active role in dealing with something before it needs to be taken care of. An example of proactive is a student studying for a fall semester class during their summer vacation.