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1. A harsh hoarse utterance (as of a frog)
   - croak

1. Pass from physical life and lose all bodily attributes and functions necessary to sustain life
   "She croaked from cancer";
   - die, decease, perish, go, exit, pass away, expire, pass, kick the bucket, cash in one's chips, buy the farm [N. Amer], conk, give-up the ghost, drop dead, pop off, choke, snuff it, pop one's clogs
    
2. Utter a hoarse sound, like a raven
   - cronk
    
3. Make complaining remarks or noises under one's breath
   "she croaks when she feels overworked";
   - murmur, mutter, grumble, gnarl, chunter [Brit]

Derived forms: croakings

Type of: change state, complain, emit, kick, kvetch [N. Amer], let loose, let out, moan, plain [archaic], quetch, sound off, turn, utter, utterance, vocalization