officer: (civil) ofic-isto, funcion-ero; (milit., naval, of an order) oficiro; staff o.: stab-oficiro, -ano; non-commissioned o.: sub-oficiro.
official: funcion-ero, ofic-isto; (adj.) ofic-ala, publika (cf. stat-ala).
officiate: (as priest) (intr.) oficiar; (perform the duties of) (intr.) funcionar (kom); -ting: (priestly) ofici-anta.
officinal: farmaci-ala.
officious: serv-ema, komplez-ema; (meddlesome) serv-em-acha, intruz-anta.
offing: (roadstead) rado; larja maro.
offscouring: for-jet-ajo, refuzo.
offset: kompens-o, -uro; offset printing method: ofseto.
offshoot: sproso; (person) decend-anto.
offspring: infanto; filio; decend-anto; (fig.) frukto; produkt-uro.
often: ofte; most o.: maxim ofte; o. times: ofte.
ogee: cimaso.
ogive: ogivo.
ogle: oglar, okul-agar.
ogre: ogr-(ul)o.
oh: ho!
ohm: «ohm».
oil: ole-o, -izar.
oil-cake: turto.
oil-cloth: vaxo-telo.
oilskins: pluv-vest-aro.
oily: ole-oza, -atra.
ointment: unguento.
okapi: okapio.
old: (of living beings) olda, ev-oza, grand-eva; (of things) anciena (cf. antiqua); to be so many years o.: (tr., intr.) evar; o.-fashioned: obsolet-a, antiqu-atra, -esk-inta; exter la modo, ek-moda; (man) viro (od, hom-ulo) di la anciena modo o mori o generaciono; to become o.-fashioned: ek-mod-eskar; -ness: (persons) old-eso, grand-ev-eso.
oleaginous: ole-oza, -atra.
oleander: rozlauro.
olfactory: flar-anta, -ala.
olibanum: olibano.
oligarch: oligarko.
oligarchy: oligarkio.
oligocene: oligoceno.
olive: (fruit) oliv-o, (tree) -iero; o. oil: -oleo.
olympiad: olimpiado.
Olympian: Olimpi-ala, Olimp-ala; (n.) -ano.
Olympus: Olimpo.
Olympic: Olimpi-ala.
Oman: Oman.
omelet: omleto.
omen: auguro, pre-signo; good o.ed: bon-augura (cf. auspico).
omentum: omento.
ominous: mal-augur-a, des-fortun-oza, minac-anta.
omission: (act) omis-o, (thing) -ajo.
omit: omisar (cf. neglijar, obliviar).
omnibus: omnibuso.
omnipotence: omno-povo.
omnipotent: omno-pov-anta.
omnipresent: ubiqua.
omniscience: omno-savo.
omniscient: omno-sav-anta.
omnivorous: omno-manj-anta, omni-vora.
omoplate: skapulo.
on: (upon) sur (adj.) sura; (contiguity) an; on account of: pro; on this side: cis; on behalf of: por; to go on foot: ped-irar; on high: supre, ye la supro (di); on purpose: intence, vole; on that day: ta-jorne, ca-die; on the left: sinistre; to swear on his hono(u)r: jurar per sua honoro; to be on guard: gardar su; on credit: kredite, ye kredito; on further enquiry: pos plu ampla (od, plusa) informo o inquesto;deliberate on: deliberar pri; on the whole: sume; count on someone: fidar ad ulu; have pity on: kompatar (ulu); on flame: flam-oza; on hand: esar ibe, esar hike; (goods) en butiko; on the way: dum voyo;on my arrival: ye mea arivo; an entering: kande me en-iris; on examination: pos exameno; read on: lektar pluse; on!: ad-avane! march on: marchar ad-avane; avancar; far on in the night: tre tarde; and so on: e tale pluse; play on: durar ludar, plear; live on: vivar ankore; a ladder on the (against the) wall: skalo an la muro; a house on the river: domo an la rivero (cf. suffix -iz-).
onager: onagro.
onanism: onani-(ad)o; to commit o.: (intr.) -ar.
once: (in counting) un-foye: (on a certain occasion) ul-tempe; ul-die; once upon a time: olim; at once: (immediately) quik; (at the same time) sam-tempe.
