1 adjectivegan ullmhúar an toirt c m uthey gave an impromptu concertthug siad ceolchoirm as a seasamh2 adverbas maoil do chonláinde mhaoil an bhaigeto speak impromptulabhairt as maoil do chonláin3 noun MUS piece of musicimpromptu foreign 4 noun LIT piece of writingtobdhréacht masc3