From Wiktionary, the free dictionary

Borrowed from Latin integer (“whole”), from Proto-Italic *əntagros (“untouched”). Doublet of entier and entire. Related to English tact, thack, and thwack.

• IPA^(key): /ˈɪn.tɪ.d͡ʒə(ɹ)/
• (Canada, US) IPA^(key): [ˈɪn.tʰə.d͡ʒɚ], [ˈɪn.ɾ̃ə.d͡ʒɚ]
• (Indic) IPA^(key): /ɪɳˈʈidʒə(ɾ)/

integer (plural integers or (rare) integri)

1. (arithmetic) A number that is not a fraction; an element of the infinite and numerable set {..., -3, -2, -1, 0, 1, 2, 3, ...}.

   • 1886, Leopold Kronecker, speech to the Berliner Naturforscher-Versammlung:

     God made the integers; all else is the work of man

• whole number, when understood to include negative numbers and zero.
• integral number

• rational number
  • real number
• Gaussian integer
  • quadratic integer
    • algebraic integer
      • algebraic number

• natural number
• zero

• “integer”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.
• William Dwight Whitney, Benjamin E[li] Smith, editors (1911), “integer”, in The Century Dictionary […], New York, N.Y.: The Century Co., →OCLC.

• integer on Wikipedia.Wikipedia

• greetin', teering, treeing

integer (comparative integerder, superlative integerst)

1. honest, trustworthy, having integrity

Declension of integer
uninflected	integer
inflected	integere
comparative	—
		positive
predicative/adverbial		integer
indefinite	m./f. sing.	integere
	n. sing.	integer
	plural	integere
definite		integere
partitive		integers

integer (strong nominative masculine singular integerer, comparative integrer, superlative am integersten)

1. with integrity, of integrity

• Integrität

• “integer” in Duden online
• “integer” in Digitales Wörterbuch der deutschen Sprache

Latin numbers ^(edit)

		10
		I 1	2  → [a], [b]	10  →
Cardinal: ūnus     Ordinal: prīmus     Adverbial: semel     Proportional: simplus     Multiplier: simplex     Distributive: singulus, prīvus     Collective: ūniō     Fractional: integer

From Proto-Italic *əntagros (“untouched”), from *teh₂g- (“to touch”), whence Latin tangō.

• (Classical Latin) IPA^(key): [ˈɪn.tɛ.ɡɛr]
• (modern Italianate Ecclesiastical) IPA^(key): [ˈin.te.d͡ʒer]

integer (feminine integra, neuter integrum, comparative integrior, superlative integerrimus); first/second-declension adjective (nominative masculine singular in -er)

1. complete, whole, intact, uninjured, sound, healthy

   Synonyms: incolumis, validus, sanus, salvus, saluber, sospes, intactus, sollus, innoxius

   Antonyms: aeger, miser, affectus, fessus, īnfirmus, languidus

   ab/de/ex integro ― from the start again, from the beginning

   ad integrum ― completely, at all

First/second-declension adjective (nominative masculine singular in -er).

• Walther von Wartburg (1928–2002), “ĭntĕger”, in Französisches Etymologisches Wörterbuch, volume 4: G H I, page 734
• Online Latin dictionary, Olivetti

• “integer”, in Charlton T. Lewis and Charles Short (1879), A Latin Dictionary, Oxford: Clarendon Press
• “integer”, in Charlton T. Lewis (1891), An Elementary Latin Dictionary, New York: Harper & Brothers
• “integer”, in Gaffiot, Félix (1934), Dictionnaire illustré latin-français, Hachette.
• Carl Meißner; Henry William Auden (1894), Latin Phrase-Book‎^[1], London: Macmillan and Co.
  • sound, unimpaired senses: sensus sani, integri, incorrupti
    
  • it is no longer in my power: mihi non est integrum, ut...
    
  • to leave the question open; to refuse to commit oneself: integrum (causam integram) sibi reservare
    
  • to reinstate a person in his right: aliquem in integrum (vid. sect. V. 4, note The proper...) restituere
    
  • an impartial witness: testis incorruptus atque integer
    
  • to send fresh troops to take the place of those wearied with fighting: integros defatigatis summittere
    
  • fresh troops relieve the tired men: integri et recentes defatigatis succedunt
    
  • (ambiguous) to be in the prime of life: integra aetate esse
    
  • (ambiguous) the matter is still undecided; it is an open question: res integra est
    
  • (ambiguous) I have not yet committed myself: res mihi integra est
    
• integer in Ramminger, Johann (16 July 2016 (last accessed)), Neulateinische Wortliste: Ein Wörterbuch des Lateinischen von Petrarca bis 1700‎^[2], pre-publication website, 2005-2016

• énnteeger (Eupen)

Borrowed from Latin integer.

integer (comparative integerder, superlative integers, predicative superlative 't integers)

1. friendly
2. complete, whole, intact

Unlike in Dutch, it is not used in the meaning of honest or trustworthy.