Also found in: Thesaurus, Legal.


1. Well known and very distinguished; eminent. See Synonyms at famous.
2. Obsolete Shining brightly.

[From Latin illūstris, from illūstrāre, to give glory to, shine upon; see illustrate.]

il·lus′tri·ous·ly adv.
il·lus′tri·ous·ness n.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.illustriousness - the property possessed by something or someone of outstanding importance or eminence
importance - the quality of being important and worthy of note; "the importance of a well-balanced diet"


A position of exalted widely recognized importance:
şöhretünlü olma


(iˈlastriəs) adjective
of a very high quality, ability etc; famous. an illustrious career; He is the most illustrious of a famous family.
ilˈlustriousness noun
References in classic literature ?
There were some prophets and patriarchs there that ours ain't a circumstance to, for rank and illustriousness and all that.
The conclusion of the text, which not only reinforces social order but also reiterates an ironic and unconvincing widespread sense of happiness, conspicuously brings together these two domains, in that it recalls the illustriousness of Rodolfo's heritage and the much implied presence of divine intervention: "y ahora viven, estos dos venturosos desposados, que muchos y felices anos gozaron de si mismos, de sus hijos y de sus nietos, permitido todo por el cielo y por la fuerza de la sangre, que vio derramada en el suelo el valeroso, ilustre y cristiano abuelo de Luisico" (2: 95).
If such public scorn posed a challenge for the late Nguyen kings, the ill-fated end of so many of their predecessors called into question its claims to illustriousness.
Don Quixote weighs the illustriousness of fictional knights based on standards of valor, bellicosity, audacity, quality of lineage, affability, and prowess in winning the affections of ladies.