or; possibly; maybe; perhaps

perhaps; maybe

or; either one or the other

or; could it be that...?

more or less

necessary; must have

or

if; supposing that

even if; even though

perhaps; maybe; probably

(logic, computing) XOR; exclusive or

variant Chinese character; alternative form of a Chinese character

will perhaps; may (in the future)

probable

also called; also known as; a.k.a.

to lack; to do without

OR gate (electronics)

so much so that; to the extent that; even

if

occasionally; now and then

probability (math.)