1. flat – Clear; unmistakable; peremptory; absolute; positive; downright.
2. next – Nearest in time; as, the next day or hour.
3. rude – Characterized by roughness; umpolished; raw; lacking delicacy or refinement; coarse.
4. straight – Right, in a mathematical sense; passing from one point to another by the nearest course; direct; not deviating or crooked; as, a straight line or course; a straight piece of timber.
5. strait – Parsimonious; niggargly; mean.