hard on the eyes (adjective) plain: ugly
Detalii: plane is essentially the same word as plain, both ultimately coming from Latin planus 'flat' or 'clear'
Sinonime: butting in, curious,
forward,
inquisitive, interfering, intrusive, meddlesome, meddling, nebby,
obtrusive, officious, prying, pushy, snoopy,
stirring, troublesome
Antonime: attractive,
beautiful,
pretty