1 (forzado) forced no estás obligado a dar dinero you're not being forced to give money; se vieron obligados a vender su casa they were forced to sell their house; no te sientas obligada a venir don't feel obliged to come
2 (obligatorio) normas de obligado cumplimiento regulations that must be complied with
3 (inexcusable) es obligado hacerle una visita you're expected to pay her a visit; este museo es visita obligada para el amante del arte this museum is a must for the art lover
4 (agradecido) estar o quedar obligado a algn to be obliged to sb; be in sb's debt