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New Latin, from Ancient Greek φλέως ‎(phléōs, wool-tufted reed).


fleo m ‎(plural flei)

  1. timothy, catstail



From Proto-Italic *flēō, from Proto-Indo-European *bʰleh₁-.



fleō ‎(present infinitive flēre, perfect active flēvī, supine flētum); second conjugation, impersonal in the passive

  1. I weep, cry
  2. I lament, grieve for
    • Horatius, Ars Poetica
      Si vis me flere, dolendum est primum ipsi tibi.
      If you wish me to cry, you yourself must first be grieved.


  • In practice, the only passive forms met with in Latin are the third-person singular forms.
   Conjugation of fleo (second conjugation, impersonal in passive)
indicative singular plural
first second third first second third
active present fleō flēs flet flēmus flētis flent
imperfect flēbam flēbās flēbat flēbāmus flēbātis flēbant
future flēbō flēbis flēbit flēbimus flēbitis flēbunt
perfect flēvī flēvistī flēvit flēvimus flēvistis flēvērunt, flēvēre
pluperfect flēveram flēverās flēverat flēverāmus flēverātis flēverant
future perfect flēverō flēveris flēverit flēverimus flēveritis flēverint
passive present flētur
imperfect flēbātur
future flēbitur
perfect flētus + present active indicative of sum
pluperfect flētus + imperfect active indicative of sum
future perfect flētus + future active indicative of sum
subjunctive singular plural
first second third first second third
active present fleam fleās fleat fleāmus fleātis fleant
imperfect flērem flērēs flēret flērēmus flērētis flērent
perfect flēverim flēverīs flēverit flēverīmus flēverītis flēverint
pluperfect flēvissem flēvissēs flēvisset flēvissēmus flēvissētis flēvissent
passive present fleātur
imperfect flērētur
perfect flētus + present active subjunctive of sum
pluperfect flētus + imperfect active subjunctive of sum
imperative singular plural
first second third first second third
active present flē flēte
future flētō flētō flētōte flentō
non-finite forms active passive
present perfect future present perfect future
infinitives flēre flēvisse flētūrus esse flērī flētus esse
participles flēns flētūrus flētus flendus
verbal nouns gerund supine
nominative genitive dative/ablative accusative accusative ablative
flēre flendī flendō flendum flētum flētū

Derived terms[edit]

Related terms[edit]


  • fleo in Charlton T. Lewis & Charles Short (1879) A Latin Dictionary, Oxford: Clarendon Press
  • fleo in Charlton T. Lewis (1891) An Elementary Latin Dictionary, New York: Harper & Brothers
  • fleo in Félix Gaffiot (1934), Dictionnaire Illustré Latin-Français, Paris: Hachette.
  • Meissner, Carl; Auden, Henry William (1894) Latin Phrase-Book[1], London: Macmillan and Co.
    • (ambiguous) to be hardly able to restrain one's tears: fletum cohibere non posse
    • (ambiguous) to move to tears: lacrimas or fletum alicui movere