(Australia) Initialism of State Emergency Service., any of various state-based emergency service organisations, staffed by volunteers and operating within state legislation.

(astronautics) Initialism of sustainer engine start. / (astronautics) Initialism of second engine start. / (astronautics) Initialism of secondary engine start.

plural of -sis

Alternative form of -sies (“diminutive modifier used to add childishness, informality, affectionateness or levity to a word”) (also used to form some nonstandard plurals like hobbitses, pantses)

plural of SE

plural of SE

In and of itself; by itself; without determination by or involvement of extraneous factors; as such / (philosophy) Being a thing that posits itself and is a principle of its own determination.

(philosophy) Positing itself and being a principle of its own determination.

(obsolete) A person or thing that is preeminent, unique, or which has unusual merit.

(literally) A wrong in itself; that which is injurious in its consequence.