Synonyms of unreturned

1 Syllable
vain
2 Syllables
barren, fruitless, thankless, wretched
3 Syllables
useless, futile, unpleasant
4 Syllables
disagreeable, distasteful, miserable, unrewarding, ungrateful, unrequited
5 Syllables
unprofitable, unrecognized
6 Syllables
unreciprocated