—adj. - containing opium.

- narcotic, soporific. —n. - drug containing opium, usu. To ease pain or induce sleep.

- soothing influence. [latin: related to *opium]

v. (-sing) 1 set oneself against; resist; argue or compete against.

- (foll. By to) place in opposition or contrast. as opposed to in contrast with. opposer n. [latin: related to *opponent]

v. Literary controvert, call in question. [latin oppugno fight against]

n.pl. (treated as sing.) Science of light and vision.

n. - a choosing; choice. B thing that is or may be chosen.

- liberty to choose.

- right to buy or sell at a specified price within a set time. keep (or leave) one's options open not commit oneself. [latin: related to *opt]

n. - a place at which divine advice or prophecy was sought in classical antiquity. B response given. C prophet or prophetess at an oracle.

- person or thing regarded as a source of wisdom etc.

- (oracle) propr. Teletext service provided by independent television. oracular adj. [latin oraculum from oro speak]

—n. - a roundish reddish-yellow juicy citrus fruit. B tree bearing this.

- its colour. —adj. Orange-coloured. [arabic naranj]

n. - person making a formal speech.

- eloquent public speaker. [latin: related to *oration]

n. Any of various plants with brilliant flowers. [greek orkhis, originally = testicle]

v. - confer holy orders on.

- decree, order. [latin ordino: related to *order]