12-Letter Words Containing: U,T,H,L,E,S,S

• the process of paying close and continuous attention

• vigilant attentiveness

• badminton equipment consisting of a ball of cork or rubber with a crown of feathers

• send or toss to and fro, like a shuttlecock

• warm friendly feelings of gratitude

• the quality of being faithful

• the freshness and vitality characteristic of a young person

• great merriment

• ten-armed oval-bodied cephalopod with narrow fins as long as the body and a large calcareous internal shell