tooth

n

1. fang, tusk, tush; denticle, denticula-tion.

2. projection, point, tip, tang, barb, spine, spike, spur, nib, dent, snag, jab; sprocket, ratchet, cog.

3. liking, taste, relish, Inf. sweet tooth; predilection, partiality, weakness.

4. by the skin of one’s teeth

barely, just barely, only just, narrowly.

5. long in the tooth

past one's prime, Inf. over the hill. Inf. having seen better days; old, elderly, aged, ancient, at an advanced age.

6. show one’s teeth

snarl, snap, growl, spit; bristle, bridle, get one's back up, raise one's hackles.

7. to the teeth

fully, completely, entirely, Sl. to the nines, Sl. to kill.