1. adverb very seriously2. adverb depressingly3. adverb in macabre way, style4. adverb with determination5. adverb in forbidding way, style1 adverb very seriouslygo duairc c m ugo gruama c m u'I'm afraid it is,' he said grimly.'Is eagal liom go bhfuil,' ar seisean go gruama.they looked at each other grimlyd'fhéach siad ar a chéile go duairc2 adverb depressinglyit's a grimly real accountis cuntas fíor é, ar an drochuair; is cuntas fíor é, faraor3 adverb in macabre way, styleit was grimly funnybhí greann dorcha ann4 adverb with determinationgo diongbháilte c m ugo daingean c m uthey were grimly determined to get an answerbhí rún daingean acu freagra a fháil5 adverb in forbidding way, stylego gránna c m uthe building is grimly designedtá an foirgneamh deartha go gránna