Lexical Definition

‎ἀλλότριος‎ allótrios (al-lot'-ree-os) another’s ^G:A
from ‎ἄλλος‎

alien, (an-)other (man's, men's), strange(-r).

• another's, i.e. not one's own
• by extension foreign, not akin, hostile

Abbott-Smith

ἀλλότριος, -α, -ον (< ἄλλος), [in LXX for זוּר, נֵכָר, אַחֵר;]
1. belonging to another, not one's own (opp. to ἴδιος): Lk 16:12, Ro 14:4 15:20 (Field, Notes, 165 f.), II Co 10:15, 16, I Ti 5:22, He 9:25.
2. foreign, strange, alien (opp. to οἰκεῖος; v. MM, VGT, s.v.): Mt 17:25, 26, Jo 10:5, Ac 7:6, He 11:9, 34.†

Abbott-Smith References

Liddell-Scott-Jones

ἀλλότριος,

Aeolic dialect ἀλλότερρος [Refs], α, ον, (ἄλλος) of or belonging to another, βίοτος, νηῦς, ἄχεα, [Refs 8th c.BC+]; γυνή another man's wife, [Refs 4th c.BC+]; ἀλλοτρίων χαρίσασθαι to be bountiful of what is another's, [Refs 8th c.BC+]; γναθμοῖσι γελοίων ἀλλοτρίοισιν with faces unlike their own, of a forced, unnatural laugh, [Refs]; ἀ. ὄμμασιν εἷρπον by the help of another's eyes, [Refs 5th c.BC+]; οὐκ ἀ. ἄτην not inflicted by other hands, [Refs]; but ἀ. φόνος murder of a stranger[Refs 5th c.BC+] reap where one has not sown, [Refs 8th c.BC+]; ἀλλοτριωτάτοις τοῖς σώμασιν χρῆσθαι deal with one's body as if it belonged to another, [Refs 5th c.BC+]; τὰ ἀλλότρια, contraction τἀλλότρια, what belongs to others, not one's own, τἀ. ἀποστερεῖν, δειπνεῖν, [Refs 5th c.BC+]

__II opposed to οἰκεῖος, foreign, strange,
__II.1 of persons, ἀ. φώς stranger, [Refs 8th c.BC+]; almost = enemy, [Refs 8th c.BC+]; οὐδέ τις ἀλλοτρίων no stranger, [Refs 5th c.BC+]; ἀλλοτριώτερος τῶνπαίδων less near than thy children, [Refs 5th c.BC+]; ἀλλοτριώτερος, opposed to οἰκειότερος, [Refs 5th c.BC+]
__II.1.b hostile, unfavourably disposed, with genitive, ἀ. Ῥωμαίων[Refs 2nd c.BC+]
__II.1.c disinclined, πρὸς τὰς κακοπαθείας[Refs 2nd c.BC+]
__II.2 of things, alien, strange, τροφή[Refs 5th c.BC+]; εἴ τι πρότερον γέγονεν ἀ. estrangement, Canon Laws texts cited in [Refs 4th c.BC+]alien country, enemy's country, [Refs 5th c.BC+]: with genitive, alien from, ἐπιτηδεύματα δημοκρατίας ἀ.[Refs 5th c.BC+]; οὐδὲν ἀ. ποιῶν τοῦ τρόπου Canon Laws texts cited in [Refs 4th c.BC+]
__II.2.b in Medicine texts, abnormal, [Refs 2nd c.AD+]; ἀ. σάρκες superfluous fat, [Refs 5th c.BC+]
__II.2.c foreign to the purpose, λόγοι[Refs 4th c.BC+]: comparative, [Refs]: superlative, [Refs]
__II.2.d Astrology texts, ={ἀπόστροφος}, [Refs]
__III adverb ἀλλοτρίως, διακεῖσθαι πρὸς ἀλλήλας to be unfavourably disposed towards.., [Refs 5th c.BC+]; ἄ. ἔχειν πρός.. [Refs]: comparative -ιώτερον less favourably, [Refs 4th c.BC+]
__III.2 strangely, marvellously, [Refs]
__III.3 in a manner foreign to, with genitive, [Refs 4th c.BC+]