Similar words: gutsy, gut, gutter, gutless, guttural, orangutan, gutter press, nuts. Meaning: [gʌt] 
n. fortitude and determination.
n. fortitude and determination. 
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151. To thrive in a world of self-service, agents have to hyperspecialize, have to stand for something, have to have the guts to say no far more than they say yes.
152. The next two lines invoke separate methods that act as "the guts" of the output routine.
153. We all hate his guts for being the teacher's pet.
154. Bacteriodes had a higher proportion of bacteria that make high amounts of vitamins C, B2, B5 and H, and prevotellan guts had more bacteria that make vitamin B1 and folic acid.
155. Hilario shrugged off the rank implausibility of his situation, ignored the wince-inducing pressure and waded straight into the deep end, which has got to take some guts.
156. I slog my guts out and get paid only a hundred pounds a week.
157. In all, 67 people have fainted while I've read Guts '.
158. But when researchers blocked production of that heat shock protein and let mosquitoes feast, the blood meal sat longer in their guts.
159. They may need a combination of brains, guts, strength and skill—the "right stuff" as Tom Wolfe called it—but they also need to be potty trainable.
More similar words: gutsy, gut, gutter, gutless, guttural, orangutan, gutter press, nuts, outset, outsell, outside, putsch, outshone, outsize, outstrip, outsource, outsmart, outshoot, outspeak, outskirt, outsized, outshine, nutshell, outsider, cold cuts, outside of, outstretch, cut short, outspoken, outskirts.