Word Study
    meaningful
WORDNET DICTIONARY
Adjective meaningful has 1 sense
CIDE DICTIONARY
meaningful, adj. 
                                            
                                         Having a meaning or purpose; having significance; as, a meaningful explanation; a meaningful discussion; a meaningful pause; to live a meaningful life.  Opposite of meaningless .                                                                                 [WordNet 1.5]                                                                                                                    
                                                                                    OXFORD DICTIONARY
meaningful, adj.
1 full of meaning; significant.
2 Logic able to be interpreted.
                    1 full of meaning; significant.
2 Logic able to be interpreted.
Derivative
                        meaningfully adv.  meaningfulness n.
                                                        THESAURUS
meaningful
allegorical, associational, augural, big, connotational, connotative, consequential, considerable, deep, definable, demonstrative, denominative, denotational, denotative, designative, diagnostic, eloquent, emblematic, evidential, exhibitive, expressive, extended, extensional, facund, figural, figurative, forerunning, foreshadowing, foreshowing, foretokening, forewarning, full of meaning, full of point, full of substance, graphic, heavy with meaning, identifying, ideographic, idiosyncratic, imaginative, implicative, important, indicating, indicative, indicatory, individual, intelligible, intensional, interpretable, intuitive, material, meaning, meaty, metaphorical, momentous, monitory, naming, pathognomonic, peculiar, pithy, pointed, precursive, precursory, predictive, prefigurative, pregnant, preindicative, premonitory, presageful, presaging, prognostic, prognosticative, readable, referential, relevant, representative, rich, semantic, semiotic, sententious, serious, signalizing, significant, significative, signifying, sober, substantial, substantive, suggestive, symbolic, symbolistic, symbological, symptomatic, symptomatologic, telling, transferred, typical, valid, vivid, warning, weighty
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