English Reference
adjective · noun · verb

sticky

adj. · n. · v.
US /ˈstɪki/ UK /stˈɪki/ sticky

  1. 01 B1 Intermediate

    adj.covered in a substance like glue or honey that attaches to things you touch.

    adj.tending to adhere to surfaces upon contact due to a viscous or glutinous coating.

    Simple

    The toddler had sticky fingers after eating a large piece of cake.

    In context

    The label left a sticky residue on the glass jar that required hot soapy water to remove completely.

  2. 02 B2 Upper Intermediate

    adj.weather that is hot and damp, making you feel sweaty and uncomfortable.

    adj.describing weather conditions characterized by high humidity and heat, causing skin to feel tacky from perspiration.

    Simple

    It was a hot, sticky afternoon, and the air conditioning was broken.

    In context

    The tropical climate was particularly sticky in August, with humidity levels rarely dropping below eighty percent even after nightfall.

  3. 03 B2 Upper Intermediate Informal

    adj.a situation that is tricky, embarrassing, or hard to deal with.

    adj.characterised by difficulty, awkwardness, or potential for social or professional embarrassment.

    Simple

    The manager found himself in a sticky situation when two employees started arguing.

    In context

    Negotiations reached a sticky patch when the two parties realized they had fundamentally different expectations regarding the budget.

  4. 04 C1 Advanced Technical Computing

    adj.a website or app that is so interesting that people stay on it for a long time.

    adj.referring to digital content or platforms designed to retain visitor attention and encourage repeat engagement.

    Simple

    The marketing team wants to make the blog more sticky to keep readers on the site.

    In context

    The developer implemented several social features to increase the app's stickiness and reduce the daily churn rate.

  5. 05 B1 Intermediate Informal

    n.a small piece of paper with a strip of glue on the back for leaving notes.

    n.a small square of paper with a re-adherable strip of adhesive on the reverse side.

    Simple

    I left a yellow sticky on your computer screen to remind you about the meeting.

    In context

    The whiteboard was covered in colourful stickies representing different stages of the project's development.

    post itsticky note
  6. 06 C1 Advanced Informal Computing

    v.to keep a message or post at the very top of a list so everyone sees it.

    v.to pin a digital thread or post to the top of a forum or feed to ensure maximum visibility.

    Simple

    The moderator decided to sticky the rules so new members would read them first.

    In context

    After the announcement went viral, the administrator stickied the thread to prevent the same questions from being asked repeatedly.

    unpin

From stick + -y.

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

This entry
Level B2 · Upper Intermediate
Frequency Frequent
Updated