insignificant(not significant; not important) adjective [UK: ˌɪn.sɪɡ.ˈnɪ.fɪkənt] [US: ˌɪn.ˌsɪg.ˈnjɪ.fɪkənt]Our age difference is insignificant. = Nuestra diferencia de edad es insignificante.
negligible(able to be ignored or excluded) adjective [UK: ˈne.ɡlɪ.dʒəb.l̩] [US: ˈne.ɡlə.dʒəb.l̩]The biggest problem for lesser known languages is the negligible number of resources or a complete lack thereof. = El mayor problema para los idiomas menos conocidos es la cantidad insignificante de recursos o la falta total de ellos.
paltry(trashy, trivial, of little value) adjective [UK: ˈpɔːl.tri] [US: ˈpɒl.tri]
petty [pettier, pettiest](of persons or their behaviour: marked by or reflective of undesirably limited interests, sympathies, or views; preoccupied with subjects having little or no importance and not mindful of broader concerns) adjective [UK: ˈpe.ti] [US: ˈpe.ti]