straight: P. and V. εὐθύ, εὐθύς (rare).
directly towards: Ar. and P. εὐθύ (gen.). V. εὐθύς (gen.).
immediately: P. and V. εὐθύς, εὐθέως, ὡς τάχιστα, αὐτίκα, παραυτίκα, Ar. and P. παραχρῆμα; see immediately.
expressly: P. διαρρήδην.
simply: P. and V. ἁπλῶς.