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