plumber (adjective) plumb: vertical
Detalii: a plum is any of numerous varieties of small to medium-sized round or oval smooth-skinned fruit with a single pit, while a plumb is a weight on the end of a line used to determine water depth or used to establish a true vertical
Sinonime: canorous,
catchy*, dulcet, euphonic, euphonious, harmonic,
harmonious, in tune,
musical, pleasing, pleasing to the ear, resonant, songful,
sonorous, sweet-sounding, symphonic, symphonious, tuned, well-tuned
Antonime: flat, horizontal,
level