opportunisticadj.

Brit.

/ˌɒpətjuːˈnɪstɪk/,

/ˌɒpətʃuːˈnɪstɪk/, U.S.

/ˈˌɑpərt(j)uˈnɪstɪk/

Origin: Formed within English, by derivation. Etymons: opportunist n., -ic suffix.

Etymology: < opportunist n. + -ic suffix.

1. Involving, displaying, or characterized by opportunism.

ΘΚΠ

the world > action or operation > advantage > expediency > expedience > [adjective] > opportunistic

opportunist1879

opportunistic1892

1892 Speaker 5 Mar. 292/2 He attempts to apologise for them..on the opportunistic ground that the fecundity of the black races threatens the ‘political effacement of the European population’.

1950 Mind 59 84 An opportunistic, capricious, or Micawberish policy.

1958 J. Baldwin in W. King Black Short Story Anthol. (1972) 284 Their religion was strongly mixed with an opportunistic respectability and with ambitions to better society and their own place in it.

1976 Brit. Jrnl. Sociol. 27 89 The common man is portrayed as the innocent and helpless victim of opportunistic and self-serving politicians.

1988 R. Angell Season Ticket xiv. 358 Callers at his home..include a good many opportunistic pitchers and pitching coaches..who were anxious to get their hands on the dingus.

1994 Australian 16 May (Brisbane ed.) 19/4 Parker & Parsley Petroleum's opportunistic takeover bid for Bridge Oil Ltd.

2. Ecology. Of an organism or species: especially suited to unexploited or newly formed habitats or niches and occurring in populations whose size is not determined primarily by their density, being characterized by poor competitiveness and an ability to increase rapidly in numbers and to disperse readily.

ΘΚΠ

the world > life > biology > balance of nature > organisms in relation to habitat > [adjective]

fieldya1382

waterya1382

agrestial1608

subterranean1638

lucifugous1654

nemoral1656

subcutaneous1664

subterraneous1832

subtidal1852

xylophilous1862

xerophilous1863

acid-loving1870

aerobic1878

aerobian1879

aerobious1879

aerobiotic1880

subaquatic1880

aerophilous1885

facultative1887

pelagic1887

aerophile1888

autotrophic1893

heterotrophic1893

plastic1893

thermophilic1894

thermophil1896

mesophilic1897

halolimnic1898

polybathic1898

tolerant1898

limnetic1899

thermophilous1899

metatrophic1900

mixotrophic1900

paratrophic1900

mesophilous1901

benthic1902

epibenthic1902

eurybathic1902

microaerophilic1903

sympatric1904

benthoal1905

cryophile1907

benthonic1909

microaerophile1909

lenitic1916

lotic1916

psychrotolerant1924

oligosaprobic1925

polysaprobic1925

aerophilic1929

saprobic1932

primary1934

lentic1935

chemoautotrophic1936

eurytopic1937

psammic1938

saprotrophic1942

prototrophic1946

chemolithoautotrophic1949

auxotrophic1950

chemolithotrophic1953

chemoorganotrophic1953

opportunist1956

psychrophile1956

psychrophilic1958

opportunistic1960

psychrotrophic1960

oligosaprobe1990

1960 R. MacArthur in Amer. Naturalist 94 33 A distinction is made between opportunistic and equilibrium species.

1974 Jrnl. Marine Res. 32 267 Capitella capitella and the other relatively opportunistic species discussed may be continuously present if the environment is unpredictable or may disappear as in the case of recovery following the oil spill.

1991 Omni Mar. 33/2 The limestone face exposed by this geomorphic sculpting makes it attractive to opportunistic species.

2000 Independent 8 July (Weekend Review section) 12/1 Opportunistic pink opium poppies pushed through the jumble and have been serenely flowering in the chaos.

3. Medicine. Of an organism: not normally pathogenic or parasitic but capable of becoming so in certain circumstances, as in an immunosuppressed host. Of an infection: caused by such an organism.

ΘΚΠ

the world > life > biology > organism > micro-organism > [adjective] > state or activity of

opportunistic1961

the world > health and disease > ill health > a disease > production of disease > [adjective] > infectious > of an infection: opportunistic

opportunistic1961

opportunist1967

1955 Sci. Amer. May 31/2 Was it not possible, they argued, that the bacteria were only the secondary cause of disease—opportunistic invaders of tissues already weakened by crumbling defenses?]

1961 Amer. Jrnl. Med. Sci. 241 604 (title) Studies of opportunistic fungi.

1962 Lab. Investig. 11 1073/1 Opportunistic infections by bacteria, viruses, and protozoa are known.

1973 Chest 63 4/1 Even more striking is the rise of opportunistic fungal infections accompanying: transplantation, immunosuppression, heart surgery and intravenous hyperalimentation.

1990 New Scientist 10 Feb. 51/1 Many AIDS patients die from so-called ‘opportunistic infections’—those that take advantage of a weakened immune system.

1999 Nursing Times 4 Aug. 25/4 Protective isolation..aims to shield the immunocompromised patient from pathogens or opportunistic micro-organisms that may be acquired from health care workers..or other patients.

This entry has been updated (OED Third Edition, June 2004; most recently modified version published online March 2022).

单词	opportunistic
释义	opportunisticadj. Brit. /ˌɒpətjuːˈnɪstɪk/, /ˌɒpətʃuːˈnɪstɪk/, U.S. /ˈˌɑpərt(j)uˈnɪstɪk/ Origin: Formed within English, by derivation. Etymons: opportunist n., -ic suffix. Etymology: < opportunist n. + -ic suffix. 1. Involving, displaying, or characterized by opportunism. ΘΚΠ the world > action or operation > advantage > expediency > expedience > [adjective] > opportunistic opportunist1879 opportunistic1892 1892 Speaker 5 Mar. 292/2 He attempts to apologise for them..on the opportunistic ground that the fecundity of the black races threatens the ‘political effacement of the European population’. 1950 Mind 59 84 An opportunistic, capricious, or Micawberish policy. 1958 J. Baldwin in W. King Black Short Story Anthol. (1972) 284 Their religion was strongly mixed with an opportunistic respectability and with ambitions to better society and their own place in it. 1976 Brit. Jrnl. Sociol. 27 89 The common man is portrayed as the innocent and helpless victim of opportunistic and self-serving politicians. 1988 R. Angell Season Ticket xiv. 358 Callers at his home..include a good many opportunistic pitchers and pitching coaches..who were anxious to get their hands on the dingus. 1994 Australian 16 May (Brisbane ed.) 19/4 Parker & Parsley Petroleum's opportunistic takeover bid for Bridge Oil Ltd. 2. Ecology. Of an organism or species: especially suited to unexploited or newly formed habitats or niches and occurring in populations whose size is not determined primarily by their density, being characterized by poor competitiveness and an ability to increase rapidly in numbers and to disperse readily. ΘΚΠ the world > life > biology > balance of nature > organisms in relation to habitat > [adjective] fieldya1382 waterya1382 agrestial1608 subterranean1638 lucifugous1654 nemoral1656 subcutaneous1664 subterraneous1832 subtidal1852 xylophilous1862 xerophilous1863 acid-loving1870 aerobic1878 aerobian1879 aerobious1879 aerobiotic1880 subaquatic1880 aerophilous1885 facultative1887 pelagic1887 aerophile1888 autotrophic1893 heterotrophic1893 plastic1893 thermophilic1894 thermophil1896 mesophilic1897 halolimnic1898 polybathic1898 tolerant1898 limnetic1899 thermophilous1899 metatrophic1900 mixotrophic1900 paratrophic1900 mesophilous1901 benthic1902 epibenthic1902 eurybathic1902 microaerophilic1903 sympatric1904 benthoal1905 cryophile1907 benthonic1909 microaerophile1909 lenitic1916 lotic1916 psychrotolerant1924 oligosaprobic1925 polysaprobic1925 aerophilic1929 saprobic1932 primary1934 lentic1935 chemoautotrophic1936 eurytopic1937 psammic1938 saprotrophic1942 prototrophic1946 chemolithoautotrophic1949 auxotrophic1950 chemolithotrophic1953 chemoorganotrophic1953 opportunist1956 psychrophile1956 psychrophilic1958 opportunistic1960 psychrotrophic1960 oligosaprobe1990 1960 R. MacArthur in Amer. Naturalist 94 33 A distinction is made between opportunistic and equilibrium species. 1974 Jrnl. Marine Res. 32 267 Capitella capitella and the other relatively opportunistic species discussed may be continuously present if the environment is unpredictable or may disappear as in the case of recovery following the oil spill. 1991 Omni Mar. 33/2 The limestone face exposed by this geomorphic sculpting makes it attractive to opportunistic species. 2000 Independent 8 July (Weekend Review section) 12/1 Opportunistic pink opium poppies pushed through the jumble and have been serenely flowering in the chaos. 3. Medicine. Of an organism: not normally pathogenic or parasitic but capable of becoming so in certain circumstances, as in an immunosuppressed host. Of an infection: caused by such an organism. ΘΚΠ the world > life > biology > organism > micro-organism > [adjective] > state or activity of opportunistic1961 the world > health and disease > ill health > a disease > production of disease > [adjective] > infectious > of an infection: opportunistic opportunistic1961 opportunist1967 1955 Sci. Amer. May 31/2 Was it not possible, they argued, that the bacteria were only the secondary cause of disease—opportunistic invaders of tissues already weakened by crumbling defenses?] 1961 Amer. Jrnl. Med. Sci. 241 604 (title) Studies of opportunistic fungi. 1962 Lab. Investig. 11 1073/1 Opportunistic infections by bacteria, viruses, and protozoa are known. 1973 Chest 63 4/1 Even more striking is the rise of opportunistic fungal infections accompanying: transplantation, immunosuppression, heart surgery and intravenous hyperalimentation. 1990 New Scientist 10 Feb. 51/1 Many AIDS patients die from so-called ‘opportunistic infections’—those that take advantage of a weakened immune system. 1999 Nursing Times 4 Aug. 25/4 Protective isolation..aims to shield the immunocompromised patient from pathogens or opportunistic micro-organisms that may be acquired from health care workers..or other patients. This entry has been updated (OED Third Edition, June 2004; most recently modified version published online March 2022). < adj.1892
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