notless
adverb
Of equal or greater quality, amount or other attribute; never lesser than; comparably and/or surpassingly.
Examples:
On the other hand, however, the notion mentioned above revived the bugs in their heads. It evoked new reflections on the nature of the mysterious dreamboat's devoirs behind the reinforced fencing of the little-known company in which he often worked day and night. His frequent crop-ups and the non-everyday contracts in the speech therapist's household were notless wonderworthy. (Context: Visitors wonder about Hubert's, Dr∙ Barton's nontalkative helper's, real profession and obscure background. Source: J∙ Okram - The Mystery of the Rammed Key.)
Translations:
Slovak / Slovenčina (SK): nemenej; niemenej; prinajmenšom
Czech / Čeština (CZ): neméně; přinejmenším