Synonyms and Antonyms for shoo-in
2. built-in (adj.)
existing as an essential constituent or characteristic
3. tongue-in-cheek (adj.)
cleverly amusing in tone
4. fill-in (n.)
someone who takes the place of another (as when things get dangerous or difficult)
8. In (n.)
a rare soft silvery metallic element; occurs in small quantities in sphalerite
