exigent /ekˈsi-jənt/

1. Pressing
2. Urgent
3. Exacting
4. Demanding immediate attention or action

1. Extremity (obsolete)
2. The last strait, the end of all (Shakespeare)
3. A needed amount (Browning)

exigeant /egz-ē-zhã/ or (fem) exigeante /-zhãt/ adjective (French)

Exacting

• have no use for
• have no words for
• havens
• haven't
• have on
• have-on
• have one foot in the grave
• have one's back to the wall
• have one's cake and eat it
• have one's collar felt
• have one's ear to the ground
• have oneself to thank for
• have one's end away
• have one's eye on
• have one's face lifted
• have one's feet on the ground
• have one's fill of
• have one's finger on the button
• have one's fingers all thumbs
• have one's hands full
• have one's head screwed on
• have one's head screwed on the right way
• have one's heart in it
• have one's heart in one's boots
• have one's heart in one's mouth