| sign up 
 
 1. engage by written agreement (Freq. 2)
 - They signed two new pitchers for the next season
 • Syn:
 sign, contract, sign on
 • Derivationally related forms:
 contract (for: contract), signer (for: sign)
 • Hypernyms:
 hire, engage, employ
 • Hyponyms:
 contract out
 • Verb Frames:
 - Somebody ----s somebody
 - Somebody ----s  (for: sign)
 2. join a club, an activity, etc. with the intention to join or participate, "Sign up for yoga classes" (Freq. 1)
 • Hypernyms:
 join, fall in, get together
 • Hyponyms:
 enlist
 • Verb Frames:
 - Somebody ----s
 - Somebody ----s PP
 
 
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