| STO | dull and pompous gravity |
|---|---|
| STO | excessively conventional and unimaginative and hence dull |
| STO | (used pejoratively) out of fashion |
| STO | small porch or set of steps at the front entrance of a house |
| STO | a member of the ancient Greek school of philosophy founded by Zeno |
| STO | pertaining to Stoicism or its followers |
| STO | someone who is seemingly indifferent to emotions |
| STO | seeming unaffected by pleasure or pain |
| STO | seeming unaffected by pleasure or pain |
| STO | without emotion |
| STO | of or relating to stoichiometry |
| STO | (chemistry) the relation between the quantities of substances that take part in a reaction or form a compound (typically a ratio of whole integers) |