Definition of "goo" in English

noun

1. (uncountable, informal) Any semi-solid or liquid substance; especially one that is sticky, gummy or slippery, unpleasant, and of vague or unknown composition, such as slime or semen.

   • I stepped in some goo and had a terrible time getting the sticky stuff off my shoes.

2. (figuratively) Excessive, showy sentimentality.

verb

1. (transitive) To apply goo to something.

   • They gooed their hair with some fragrant styling product.

noun

1. A noise made by a baby trying to imitate speech.

   • The infant's goos and gahs were endearing.

verb

1. (intransitive) To produce baby talk.

   • The baby gooed while daddy made sappy faces at it.

verb

1. Elongated form of go.

2. (Northern England, West Midlands, Scotland) Pronunciation spelling of go.