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Complement vs. Compliment: Completing vs. Praising

Published on January 15, 2024

The Distinction

  • Complement = something that completes or goes well with another
  • Compliment = an expression of praise or admiration

Complement: The Perfect Match

Use “complement” when things complete each other or work well together:

  • “The wine complements the meal perfectly.” ✓
  • “Her skills complement his weaknesses.” ✓
  • “A full complement of staff” ✓ (complete set)
  • “The colors complement each other.” ✓

Think: making something complete or whole.

Compliment: The Kind Words

Use “compliment” for praise or flattery:

  • “She paid me a compliment on my work.” ✓
  • “I complimented his presentation.” ✓
  • “Take it as a compliment.” ✓
  • “A complimentary review” ✓ (expressing praise)

The Free Stuff Note

“Complimentary” also means free:

  • Complimentary breakfast included” ✓
  • Complimentary parking” ✓

Why? Because free things were originally given as a gesture of goodwill—a compliment to the customer.

The Memory Trick

  • Complement = complete (both have E)
  • Compliment = admire (both have M in the middle)

Quick Test

Does it complete something or go well together? → complement Is it praise or something given for free? → compliment

“The sauce _____ the fish.” → Goes well with → complements

“She gave him a _____ on his tie.” → Praise → compliment

Common Contexts

Complement (complete)Compliment (praise)
Complementary colorsPay a compliment
Full complementReturn the compliment
Complement each otherComplimentary ticket
Perfect complementFishing for compliments

Complementary vs. Complimentary

These adjective forms cause extra confusion:

  • Complementary = completing each other (“complementary skills”)
  • Complimentary = expressing praise OR free (“complimentary remarks” or “complimentary coffee”)

Remember

  • Complement = completes (makes whole)
  • Compliment = admiration (or free stuff)