American Heritage Dictionary
(3)
Century Dictionary
(7)
GNU Webster's 1913
(4)
WordNet
(1)
Elsewhere on the web
I'm with lief, how does #38 work in a TV free week?— Conflict Zen
Who'll be 'it' first I'd just as lief," said Eunice, going to the bow, and putting her fingers in her ears, and burying her head in a cushion What shall we choose for a word?— Cricket at the Seashore
If a man can't h'earn a honest livin' at your time of life, 'e may as lief--_(hiccough)_--drown 'isself Doctor.— Oh! Susannah! A Farcical Comedy in Three Acts
"It's my b'lief, Peter, as that there boy'll turn out either a reg'lar good un, or 'bout the wust as ever stepped Now, sir!"— Quicksilver The Boy With No Skid To His Wheel

American Heritage Dictionary (1)
Century Dictionary (2)
Bubble size: how much this word was used in a year
Bubble height: used more or less than expected, vs. all uses evenly distributed
You can expect to see this word several times a year.