lubber(noun) noun1. an awkward stupid personSimilar word(s): clod, gawk, goon, lout, lummox, lump, oaf, stumblebumDefinition categories: person2. an inexperienced sailor; a sailor on the first voyageSimilar word(s): landlubber, landsmanDefinition categories: person, beginner, initiate, novice, tiro, tyro