(conjunctive, idiomatic) by the way (incidentally)

see you later (a farewell)

more or less; approximately; give or take

plus sign (name of the mathematical symbol +)

(subjunctive) however much

more and more (progressively more); increasingly / Used other than figuratively or idiomatically: see cada vez, mais.

Alternative form of mais de

the more the merrier

with no further ado, with no further delay

(idiomatic) happening quickly and without warning; suddenly; unexpectedly; out of nowhere; out of the blue