singly Antonyms

multiply in concert in cahoots hand in hand hand in glove hand and glove concertedly complementarily communally collaboratively cheek by jowl as one man as one adjuvantly in one breath in league with each other in alliance in cooperation in combination in collaboration in partnership in conjunction synergistically shoulder to shoulder in tandem in a group in unison relatedly cooperatively bilaterally simultaneously coordinately contemporaneously conjunctly conjunctively conjugally conjointly concordantly collectively coincidently both altogether alike incidently jointly mutually at a time at the same time all together