lack·a·day 
(lăkə-dā′)
(lăkə-dā′)interj.
Archaic
Archaic
Used to express regret or disapproval.
[Alteration of alack the day.]
- quadrivalency
- quadrivalent
- quadrivium
- quadroon
- quadru-
- quadru-
- quadrumanal
- quadrumanous
- quadrumvirate
- quadruped
- quadruped
- quadrupedal
- quadrupedalism
- quadrupedally
- quadruple
- quadruplet
- quadruple witching hour
- quadruplicate
- quadruplicately
- quadruplication
- quadruply
- quaestor
- quaestorial
- quaestorship
- quaff