Synonyms of declined

1 Syllable
shy, balk, less, spurn, nix
2 Syllables
forgo, abstain, vetoed, forbear, deny, gainsay, desist, reject, bypass, refrain, demur, avoid, dismiss
3 Syllables
unwatched, neglected, renounce, abjure, refuse
4 Syllables
repudiate, reprobate, disapprove