unbelieving: ne-kred-anta, -ema, skeptika.
unbend: (straighten) rektigar, -eskar; des-flexar; des-tensar; lax-igar, -eskar; -ing: rigida, ne-flex-ebla.
unbiased: sen pre-opiniono, sen partisa, honesta.
unbidden: (without solicitation) ne-solicit-ata, -ita; (uninvited) ne-invit-ita; (involuntary) sen-vola, spontana.
unbind: des-ligar; liber-igar.
unbleached: ne-blank-ig-ita; kruda.
unblemished: sen-makula, pura, perfekta.
unblushing: (shameless) sen-shama.
unbolt: des-rigi-agar.
unborn: ne-nask-inta; futura.
unbosom: konfidencar (ulo, su, ad ulu).
unbound: (of books) ne-bind-ita; brosh-ita.
unbounded: sen-limita, ne-limit-iz-ita; ne-restrikt-ita.
unbridled: (fig.) sen-frena, sen-mezura, sen-restrikta.
unburden: (a ship, etc.) des-charjar (also fig.) (cf. liber-igar, -eskar).
uncalled for: ne-necesa, ne-demand-ita, superflua.
uncanny: supernatura; pavor-ig-anta; fantastika.
unceasing: sen-cesa, ne-ces-anta.
uncertain: ne-certa; dub-inda; -ty: ne-cert-eso; dubo.
unchain: des-katen-izar, sen-katen-igar; (fig.) liber-igar, sen-fren-igar.
uncial: unciala, -o.
uncle: onkl-ulo.
unclean: sordida, des-neta; (lewd) ne-chasta; (in Scripture) ne-pura.
unclinch: (hand, etc.) des-klemar, apertar; (nails) dews-rivet-agar.
unclog: des-entravar; des-obstruktar.
unclosed: apertita, des-kloz-ita.
unclothe: des-vest-izar, nud-igar, desmetar la vesti (di ulu); -d: nuda, sen-vesta.
unclouded: sen-nuba; serena.
uncoil: des-volvar.
uncolo(u)red: sen-kolora, ne-kolor-iz-ita; (of style) natur-ala, simpla.
uncomely: ne-graci-oza, leda.
uncomfortable: sen-komfort-a; des-komoda; jen-anta; pen-oza; ne-tranquila.
uncomplaining: sen-plenda, nelament-anta.
uncommon: stranja, remark-inda; ne-ordinara, rara.
uncompromising: ne-kompromis-anta, ne-flex-ebla.
unconcerned: ne-suci-ema, sen-sucia, indiferenta; (having no interest) sen-interesa; sen-interesta.
unconditional: sen-kondiciona; absoluta.
unconscionable: des-racion-ala, kontre-raciona.
unconscious: sen-koncia, ne-konci-anta; (ignorant) ne-sav-anta; (not felt) ne-sent-anta; (in swoon) esvan-inta.
unconstitutional: ne-konstituc-ala, kontre-konstituca.
unconstrained: sen-koakta; ne-jen-ita; spontana, libera.
unconventional: ne-form-ala, sen-ceremonia.
uncounted: (innumerable) ne-kont-ebla, sen-nombra.
uncord: des-kord-izar, des-ligar.
uncork: des-stopar.
uncouple: (horses, etc.) des-jungar; (unlink) des-kuplar (cf. des-ingranar).
uncouth: kruda, baroka; ruda; stranja.
uncover: des-kovrar (ulu, ulo, su); u. the head: desmetar sua chapelo; stand with head u.ed: stacar nud-kape,
unction: (anoint) uncionar; (fervo(u)r) fervoro; (unguent) unguento; extreme u.: extrema unciono.
uncurl: des-volvar; (hair) des-frizar.
undaunted: sentima, sen-pavora.
undeceive: des-iluzion-igar, des-trompar (ulu).
undecided: (person) ne-decid-ema, hezit-ema; (thing) ne-decid-ita.
undeck: des-ornar.