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From con- (together, with) +‎ operiō (cover).



cooperiō (present infinitive cooperīre, perfect active cooperuī, supine coopertum); fourth conjugation

  1. I cover wholly, cover over, overwhelm.


   Conjugation of cooperio (fourth conjugation)
indicative singular plural
first second third first second third
active present cooperiō cooperīs cooperit cooperīmus cooperītis cooperiunt
imperfect cooperiēbam cooperiēbās cooperiēbat cooperiēbāmus cooperiēbātis cooperiēbant
future cooperiam cooperiēs cooperiet cooperiēmus cooperiētis cooperient
perfect cooperuī cooperuistī cooperuit cooperuimus cooperuistis cooperuērunt, cooperuēre
pluperfect cooperueram cooperuerās cooperuerat cooperuerāmus cooperuerātis cooperuerant
future perfect cooperuerō cooperueris cooperuerit cooperuerimus cooperueritis cooperuerint
passive present cooperior cooperīris, cooperīre cooperītur cooperīmur cooperīminī cooperiuntur
imperfect cooperiēbar cooperiēbāris, cooperiēbāre cooperiēbātur cooperiēbāmur cooperiēbāminī cooperiēbantur
future cooperiar cooperiēris, cooperiēre cooperiētur cooperiēmur cooperiēminī cooperientur
perfect coopertus + present active indicative of sum
pluperfect coopertus + imperfect active indicative of sum
future perfect coopertus + future active indicative of sum
subjunctive singular plural
first second third first second third
active present cooperiam cooperiās cooperiat cooperiāmus cooperiātis cooperiant
imperfect cooperīrem cooperīrēs cooperīret cooperīrēmus cooperīrētis cooperīrent
perfect cooperuerim cooperuerīs cooperuerit cooperuerīmus cooperuerītis cooperuerint
pluperfect cooperuissem cooperuissēs cooperuisset cooperuissēmus cooperuissētis cooperuissent
passive present cooperiar cooperiāris, cooperiāre cooperiātur cooperiāmur cooperiāminī cooperiantur
imperfect cooperīrer cooperīrēris, cooperīrēre cooperīrētur cooperīrēmur cooperīrēminī cooperīrentur
perfect coopertus + present active subjunctive of sum
pluperfect coopertus + imperfect active subjunctive of sum
imperative singular plural
first second third first second third
active present cooperī cooperīte
future cooperītō cooperītō cooperītōte cooperiuntō
passive present cooperīre cooperīminī
future cooperītor cooperītor cooperiuntor
non-finite forms active passive
present perfect future present perfect future
infinitives cooperīre cooperuisse coopertūrus esse cooperīrī coopertus esse coopertum īrī
participles cooperiēns coopertūrus coopertus cooperiendus
verbal nouns gerund supine
nominative genitive dative/ablative accusative accusative ablative
cooperīre cooperiendī cooperiendō cooperiendum coopertum coopertū

Derived terms[edit]

Related terms[edit]