oblig-ar: (tr.) to oblige: put (ulu) under obligation to do or not to do something, to bind, constrain (by duty, hono(u)r, etc.) (cf. devar, koaktar); -o, -eso: obligation (imposed by conscience, law, etc.); -anta:obligatory (which obliges); -ata: (which is) obligatory, incumbent; reciproka -eso: joint liability, obligation; ne-oblig-ata: optional; obligesar ad ulu: to be beholden to someone; obligar ulu per juro: to bind a person by oath; me obligas me facar to: I assume the obligation, the responsibility to do this. — DEFIS
obligacion-o: (fin.) debenture, bond: a legal obligation (bond) bearing interest; fervoyala -i: railway bonds; -iero: bond-, debenture-holder. — DEFIRS
obliqu-a: (also anat., gram.) oblique, aslant, slanting; (fig.) indirect, not straightforward, insincere; -a angulo, lineo: oblique angle, line; -e tranchar stofo: to cut fabric slantingly, on the bias; ta aleo esas -a:that lane runs slantingly; ((gram.) -a kazo: oblique case; (fig.) -a laudo: indirect praise; -a homulo: an insincere (not straightforward) man. — EFIS
obliter-ar: (tr.) to obliterate, blot out (little by little or in a manner to leave traces). V. exp.: Nek efacar, nek nuligar, ma nuligar per signo, qua igas ulo neuzebla (ex. postal marko); IV-394. Ex.: La censuristo obliteris la enskriburo. — DEFIS
oblivi-ar: (tr.) to forget (cf. neglijar, omisar); -igar: to cause (ulu) to forget, to cause (ulo) to be forgotten (da ulu); -o: forgetting; -eso: forgetfulness, oblivion; su- -o: self-forgetfulness; -ema: forgetful, oblivious, unmindful; -o-karcero: oubliette: castle dungeon. — EFIS
oblong-a: oblong. Def.: Qua esas plu longa kam larja. — DEFS
obol-o: (Gr. coin) obol(us); any of several small European coins; mite, groat, farthing; a very small sum; -o di vidvino: widow’s mite. — DEFIS
obsed-ar: (tr.) to beset: to haunt, importune; to obsess, to worry; to possess (by fixed ideas); (cf. persekutar, tedar); la kortani obsedas la princo: the courtiers beset the prince; la mento ofte obsedesas da sua propra erori: the mind is often beset with its own errors; ca viro obsedas me: that man worries me, or, importunes me. V. exp.: Obsedar esas, etimologie, «siejar» persono, t.e. frequentar lu tedante por solicitar lu pri ula kozo, o por vidar lu nediskrete; figurale, to dicesas pri la pensi, imaji, pasioni qui okupas konstante la mento, e quin on ne povas repulsar (la remorso obsedas la kriminanto; teroriganta sonji obsedas lu); III-35. — EFIS
observ-ar: (tr.) to observe: look at, watch (with attention and study); (cf. obediar, remarker); -o: observation (of an object); -anta, -ema: observing, observant; -anto, -ero, -isto: lookout, observer; -eyo, -posteno: place of observation, lookout post; -ebla: observable. Ex.: Observar naturo, la irado di la astri, la mori di la diferenta nacioni. Astronomiala observado. Mento observema. — DEFIRS
observatori-o: (astron., meteorol.) observatory. — DEFIS
obsidian-o: (min.) obsidian: volcanic glass. — DEFIRS
obskur-a: (lit. and fig.) obscure: without sufficient light to enable one to see objects, gloomy, dim, somber (sombre); not easily understood; little known; (of colo(u)rs) dark; -igar: to obscure, dim, darken;nokto -a: a dark night; stilo -a: an unclear style; vivar -a vivo: to live an obscure life; -eso di lingui: obscurity of language; la nubi obskur-igas la jorno: the clouds intercept the daylight; longa frazi obskurigas la senco: long sentences obscure the meaning. Ant.: klara. — DEFIS
obskurant-ismo: obscurantism; -isto: obscurantist: one who opposes enlightenment. — DEFIRS
obsolet-a: obsolete (words, customs, etc.); -eskar: to become obsolete; -eso: obsoleteness, desuetude, disuse. Def.: Exter la uzado, la kustumo. — DEFIS
obstakl-o: (lit. and fig.) obstacle, hindrance, obstruction, impediment, bar, clog: that which opposes; -o-kuro: obstacle-race; (kaval-) kuro kun -i: steeple-chase. — EFIS
obstetrik-o: (2001) obstetrics. — EFIS
