List of unimportant synonyms and unimportant related words.
casual, homely, humble, humble-looking, humble-visaged, humblest, inconsiderable, inferior, inglorious, innocuous, insignificant, least, light, low, low-priority, lowest, lowliest, lowly, marginal, mean, minor, modest, no great shakes, of no account, of no consequence, of no matter, of no significance, petty, plain, poor, secondary, shoestring, simple, small, small-beer, teachable, trivial, undistinguished, unpretentious