imperdible
safety pin
im-
not
+
perder
to lose
+
-ible
able to be
Imperdible means safety pin and can be thought of as im-0 (not0) + perder1 (to lose1) + -ible2 (able to be2), literally meaning 'not able to be lost'.
noun
- safety pinA safety pin used to fasten clothing or other itemsUsé un imperdible para sujetar la tela rota. // I used a safety pin to hold the torn fabric.
adjective
- unmissableSomething that cannot be missed or lostEs un concierto imperdible para los fans de rock. // It's an unmissable concert for rock fans.