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Thinking Icons PNG & SVG - Page 16

Browse 1,464 different thinking icons in 147 unique design styles. Download thinking icons in PNG, SVG, PDF, or ZIP formats.

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  1. Sharp neon icon of a person outline beside a light bulb with three rays. Used for collaboration and ideas.
  2. Sharp line icon of a lightbulb, circle, and curved base shape. Used for collaboration and ideas.
  3. Clean hand-drawn icon of curved lines, a central loop, and hanging needles. Used for acupuncture and medical apps.
  4. Clean hand-drawn icon of an ear with acupuncture needles. Used for acupuncture clinics and care.
  5. Rounded colored solid icon of a split brain with circuit traces and neural folds. Used for AI tools and machine learning.
  6. Clean solid icon of a human head silhouette with a flower-shaped cutout. Used for ecology, mental health, and human nature.
  7. Clean line icon of a human head profile with a flower and circle inside. Used for wellness, therapy, and nature apps.
  8. Playful creative icon of a side-facing head silhouette with a flower inside. Used for ideas, creativity, and wellness.
  9. Clean line icon of a human head profile with a flower-shaped brain and central dot. Used for mental health, psychology, wellness.
  10. Playful creative icon of a glowing bulb with rays, wireless waves, and a downward arrow. Used for smart lighting controls.
  11. Clean duotone icon of a lit bulb, wireless waves, arrow, and user silhouette. Used for smart lighting, IoT, and home controls.
  12. Clean line icon of a light bulb, wireless signal, arrow, and user. Used for smart home lighting controls and automation.
  13. Bold solid icon of bulb and rays, down arrow, wireless arcs, and circle over a rounded base. Used for smart home lighting.
  14. Clean line icon of a sun, signal waves, and light bulb. Used for smart lighting and home automation.
  15. Clean line icon of a rounded square speech bubble with three dots. Used for chat, messaging, and typing indicators.
  16. Rounded colored solid icon of a brain with a four-point sparkle above right. Used for AI, machine learning, and smart tools.
  19. Clean line icon of a head outline with a gear and central circle. Used for AI settings and configuration.
  20. Bold solid icon of a profile silhouette with a check-and-X toggle. Used for privacy opt-out controls.
  21. Clean line icon of a speech bubble containing a split check and X toggle. Used for CCPA privacy opt-out controls.
  22. Clean line icon of an outlined map with a check-and-X toggle. Used for CCPA opt-out controls and privacy settings.
  23. Clean duotone icon of a tic-tac-toe board with X and divided O marks. Used for games, puzzles, and turn-based play.
  24. Clean line icon of a tic-tac-toe board with Xs, Os, and a diagonal win line. Used for board games and game apps.
  25. Clean line icon of three circles and three Xs, with a diagonal line crossing the circles. Used for tic-tac-toe games.
  26. Clean creative icon of a tic-tac-toe board with X and O marks and a line. Used for games, puzzles, and apps.
  27. Sharp creative pixel icon of a blocky eye, iris, and check mark. Used for biometric approval and identity verification.
    Free
  28. Playful creative icon of a rounded player silhouette with a five-dot die. Used for casino games and dice gaming.
  29. Clean duotone icon of a five-pip die inside a speech bubble. Used for casino games, dice play, and chat.
  30. Clean line icon of a rounded outlined shape enclosing a five-pip die. Used for casino games, dice rolls, and player avatars.
  31. Playful creative icon of a question mark in a blue circle linked to six nodes. Used for help, FAQs, networks, and support.
    Free
  32. Playful creative icon of a question mark in a blue circle linked to six nodes. Used for help, support, FAQs, and networks.
  33. Clean duotone icon of a question mark in a circle surrounded by six linked nodes. Used for help desks, FAQs, and support networks.
  34. Clean line icon of a question mark linked to six surrounding circles. Used for help, support, and network guidance.
  35. Clean duotone icon of a coiled rattlesnake with raised head and rattle. Used for reptiles, wildlife, zoos, and nature apps.
  36. Playful creative icon of a curled rattlesnake with raised head and rattle. Used for wildlife, reptiles, and warnings.
  37. Clean line icon of a raised rattlesnake with curved body and stacked rattle. Used for reptile, wildlife, and nature apps.
  38. Clean line icon of a coiled rattlesnake with raised head and three rattle bars. Used for reptiles, wildlife, and snake alerts.
  39. Sharp solid icon of a rattlesnake head with segmented rattle bars. Used for reptile, wildlife, venom, and warning interfaces.
  40. Playful creative icon of a yellow brain with division, plus, multiplication and check symbols. Used for maths study.
  41. Rounded solid icon of brain outline with plus sign above and minus at right. Used for math study and learning.
  42. Clean duotone icon of a brain with math symbols and a check mark. Used for math study, learning, and education.
  43. Rounded hand-drawn icon of a woman beneath a heart and beside a circle. Used for dating chats and profiles.
  44. Clean hand-drawn icon of a woman's bust with a heart and blue chat dot. Used for dating apps and chat profiles.
  45. Playful hand-drawn icon of an empty office chair with a question mark. Used for job vacancies, hiring and recruitment.
  46. Playful hand-drawn icon of an empty office chair with a blue question mark. Used for job vacancies and hiring.
  47. Clean duotone icon of a question mark inside a speech bubble. Used for help, FAQs, and support.
  48. Bold solid icon of a head profile with a question mark cutout. Used for help, FAQs, and user support.
    Free
  49. Playful creative icon of a head silhouette with a question mark. Used for help, FAQs, and user questions.
    Free
  50. Playful creative icon of a yellow question bubble with a black outline and question mark. Used for help and FAQs.